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Finding the Fourth Proportional to 75,398.55, 112,925.52 and 35,983.35

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Solution

The fourth proportional to 75,398.55, 112,925.52 and 35,983.35 is: 53,892.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,398.55 : 112,925.52 = 35,983.35 : x
  2. Step 2: Convert to fraction form
    75,398.55/112,925.52 = 35,983.35/x
  3. Step 3: Cross multiply
    75,398.55x = 112,925.52 × 35,983.35
  4. Step 4: Simplify right side
    75,398.55x = 4,063,438,510.09
  5. Step 5: Solve for x
    x = 4,063,438,510.09/75,398.55
  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.