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Finding the Fourth Proportional to 75,398.57, 112,925.54 and 35,983.35

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Solution

The fourth proportional to 75,398.57, 112,925.54 and 35,983.35 is: 53,892.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,398.57 : 112,925.54 = 35,983.35 : x
  2. Step 2: Convert to fraction form
    75,398.57/112,925.54 = 35,983.35/x
  3. Step 3: Cross multiply
    75,398.57x = 112,925.54 × 35,983.35
  4. Step 4: Simplify right side
    75,398.57x = 4,063,439,049.84
  5. Step 5: Solve for x
    x = 4,063,439,049.84/75,398.57
  6. Step 6: Final answer
    x = 53,892.79

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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.