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Finding the Fourth Proportional to 110,535.60, 165,803.40 and 65,629.20

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Solution

The fourth proportional to 110,535.60, 165,803.40 and 65,629.20 is: 98,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,535.60 : 165,803.40 = 65,629.20 : x
  2. Step 2: Convert to fraction form
    110,535.60/165,803.40 = 65,629.20/x
  3. Step 3: Cross multiply
    110,535.60x = 165,803.40 × 65,629.20
  4. Step 4: Simplify right side
    110,535.60x = 10,881,544,499.28
  5. Step 5: Solve for x
    x = 10,881,544,499.28/110,535.60
  6. Step 6: Final answer
    x = 98,443.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.