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Finding the Fourth Proportional to 110,638,263.60, 155,120,317.20 and 110,638,263.60

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Solution

The fourth proportional to 110,638,263.60, 155,120,317.20 and 110,638,263.60 is: 155,120,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,638,263.60 : 155,120,317.20 = 110,638,263.60 : x
  2. Step 2: Convert to fraction form
    110,638,263.60/155,120,317.20 = 110,638,263.60/x
  3. Step 3: Cross multiply
    110,638,263.60x = 155,120,317.20 × 110,638,263.60
  4. Step 4: Simplify right side
    110,638,263.60x = 17,162,242,544,089,212
  5. Step 5: Solve for x
    x = 17,162,242,544,089,212/110,638,263.60
  6. Step 6: Final answer
    x = 155,120,317.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.