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Finding the Fourth Proportional to 215,753.31, 297,737.71 and 117,636.62

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Solution

The fourth proportional to 215,753.31, 297,737.71 and 117,636.62 is: 162,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,753.31 : 297,737.71 = 117,636.62 : x
  2. Step 2: Convert to fraction form
    215,753.31/297,737.71 = 117,636.62/x
  3. Step 3: Cross multiply
    215,753.31x = 297,737.71 × 117,636.62
  4. Step 4: Simplify right side
    215,753.31x = 35,024,856,068.16
  5. Step 5: Solve for x
    x = 35,024,856,068.16/215,753.31
  6. Step 6: Final answer
    x = 162,337.51

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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.