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Finding the Fourth Proportional to 229,728.10, 344,592.16 and 71,957.12

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Solution

The fourth proportional to 229,728.10, 344,592.16 and 71,957.12 is: 107,935.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,728.10 : 344,592.16 = 71,957.12 : x
  2. Step 2: Convert to fraction form
    229,728.10/344,592.16 = 71,957.12/x
  3. Step 3: Cross multiply
    229,728.10x = 344,592.16 × 71,957.12
  4. Step 4: Simplify right side
    229,728.10x = 24,795,859,408.18
  5. Step 5: Solve for x
    x = 24,795,859,408.18/229,728.10
  6. Step 6: Final answer
    x = 107,935.68

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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.