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Finding the Fourth Proportional to 110,887.60, 153,033.96 and 63,155.92

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Solution

The fourth proportional to 110,887.60, 153,033.96 and 63,155.92 is: 87,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,887.60 : 153,033.96 = 63,155.92 : x
  2. Step 2: Convert to fraction form
    110,887.60/153,033.96 = 63,155.92/x
  3. Step 3: Cross multiply
    110,887.60x = 153,033.96 × 63,155.92
  4. Step 4: Simplify right side
    110,887.60x = 9,665,000,535.04
  5. Step 5: Solve for x
    x = 9,665,000,535.04/110,887.60
  6. Step 6: Final answer
    x = 87,160.34

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1.5x scale

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.