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Finding the Fourth Proportional to 110,482.22, 152,458.29 and 65,149.81

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Solution

The fourth proportional to 110,482.22, 152,458.29 and 65,149.81 is: 89,902.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,482.22 : 152,458.29 = 65,149.81 : x
  2. Step 2: Convert to fraction form
    110,482.22/152,458.29 = 65,149.81/x
  3. Step 3: Cross multiply
    110,482.22x = 152,458.29 × 65,149.81
  4. Step 4: Simplify right side
    110,482.22x = 9,932,628,300.68
  5. Step 5: Solve for x
    x = 9,932,628,300.68/110,482.22
  6. Step 6: Final answer
    x = 89,902.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.