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Finding the Fourth Proportional to 73,265.90, 109,898.85 and 73,265.90

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Solution

The fourth proportional to 73,265.90, 109,898.85 and 73,265.90 is: 109,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,265.90 : 109,898.85 = 73,265.90 : x
  2. Step 2: Convert to fraction form
    73,265.90/109,898.85 = 73,265.90/x
  3. Step 3: Cross multiply
    73,265.90x = 109,898.85 × 73,265.90
  4. Step 4: Simplify right side
    73,265.90x = 8,051,838,154.22
  5. Step 5: Solve for x
    x = 8,051,838,154.22/73,265.90
  6. Step 6: Final answer
    x = 109,898.85

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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.