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Finding the Fourth Proportional to 101,767.95, 140,456.59 and 56,460.53

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Solution

The fourth proportional to 101,767.95, 140,456.59 and 56,460.53 is: 77,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,767.95 : 140,456.59 = 56,460.53 : x
  2. Step 2: Convert to fraction form
    101,767.95/140,456.59 = 56,460.53/x
  3. Step 3: Cross multiply
    101,767.95x = 140,456.59 × 56,460.53
  4. Step 4: Simplify right side
    101,767.95x = 7,930,253,248.95
  5. Step 5: Solve for x
    x = 7,930,253,248.95/101,767.95
  6. Step 6: Final answer
    x = 77,924.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.