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Finding the Fourth Proportional to 73,732.80, 101,746.88 and 41,897.28

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Solution

The fourth proportional to 73,732.80, 101,746.88 and 41,897.28 is: 57,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,732.80 : 101,746.88 = 41,897.28 : x
  2. Step 2: Convert to fraction form
    73,732.80/101,746.88 = 41,897.28/x
  3. Step 3: Cross multiply
    73,732.80x = 101,746.88 × 41,897.28
  4. Step 4: Simplify right side
    73,732.80x = 4,262,917,520.49
  5. Step 5: Solve for x
    x = 4,262,917,520.49/73,732.80
  6. Step 6: Final answer
    x = 57,815.76

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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.