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Finding the Fourth Proportional to 73,294.88, 101,146.93 and 39,760.88

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Solution

The fourth proportional to 73,294.88, 101,146.93 and 39,760.88 is: 54,870.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,294.88 : 101,146.93 = 39,760.88 : x
  2. Step 2: Convert to fraction form
    73,294.88/101,146.93 = 39,760.88/x
  3. Step 3: Cross multiply
    73,294.88x = 101,146.93 × 39,760.88
  4. Step 4: Simplify right side
    73,294.88x = 4,021,690,340.96
  5. Step 5: Solve for x
    x = 4,021,690,340.96/73,294.88
  6. Step 6: Final answer
    x = 54,870.01

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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.