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Finding the Fourth Proportional to 73,897.38, 110,948.72 and 51,354.95

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Solution

The fourth proportional to 73,897.38, 110,948.72 and 51,354.95 is: 77,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,897.38 : 110,948.72 = 51,354.95 : x
  2. Step 2: Convert to fraction form
    73,897.38/110,948.72 = 51,354.95/x
  3. Step 3: Cross multiply
    73,897.38x = 110,948.72 × 51,354.95
  4. Step 4: Simplify right side
    73,897.38x = 5,697,765,156.65
  5. Step 5: Solve for x
    x = 5,697,765,156.65/73,897.38
  6. Step 6: Final answer
    x = 77,103.75

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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.