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Finding the Fourth Proportional to 72,348.84, 108,593.40 and 34,935.32

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Solution

The fourth proportional to 72,348.84, 108,593.40 and 34,935.32 is: 52,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,348.84 : 108,593.40 = 34,935.32 : x
  2. Step 2: Convert to fraction form
    72,348.84/108,593.40 = 34,935.32/x
  3. Step 3: Cross multiply
    72,348.84x = 108,593.40 × 34,935.32
  4. Step 4: Simplify right side
    72,348.84x = 3,793,745,178.89
  5. Step 5: Solve for x
    x = 3,793,745,178.89/72,348.84
  6. Step 6: Final answer
    x = 52,436.85

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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.