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Finding the Fourth Proportional to 219,737.60, 329,617.20 and 114,761.60

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Solution

The fourth proportional to 219,737.60, 329,617.20 and 114,761.60 is: 172,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,737.60 : 329,617.20 = 114,761.60 : x
  2. Step 2: Convert to fraction form
    219,737.60/329,617.20 = 114,761.60/x
  3. Step 3: Cross multiply
    219,737.60x = 329,617.20 × 114,761.60
  4. Step 4: Simplify right side
    219,737.60x = 37,827,397,259.52
  5. Step 5: Solve for x
    x = 37,827,397,259.52/219,737.60
  6. Step 6: Final answer
    x = 172,148.04

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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.