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Finding the Fourth Proportional to 61,732.59, 92,600.25 and 42,738.51

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Solution

The fourth proportional to 61,732.59, 92,600.25 and 42,738.51 is: 64,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,732.59 : 92,600.25 = 42,738.51 : x
  2. Step 2: Convert to fraction form
    61,732.59/92,600.25 = 42,738.51/x
  3. Step 3: Cross multiply
    61,732.59x = 92,600.25 × 42,738.51
  4. Step 4: Simplify right side
    61,732.59x = 3,957,596,710.63
  5. Step 5: Solve for x
    x = 3,957,596,710.63/61,732.59
  6. Step 6: Final answer
    x = 64,108.71

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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.