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Finding the Fourth Proportional to 101,775, 140,449.56 and 62,031

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Solution

The fourth proportional to 101,775, 140,449.56 and 62,031 is: 85,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,775 : 140,449.56 = 62,031 : x
  2. Step 2: Convert to fraction form
    101,775/140,449.56 = 62,031/x
  3. Step 3: Cross multiply
    101,775x = 140,449.56 × 62,031
  4. Step 4: Simplify right side
    101,775x = 8,712,226,656.36
  5. Step 5: Solve for x
    x = 8,712,226,656.36/101,775
  6. Step 6: Final answer
    x = 85,602.82

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