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Finding the Fourth Proportional to 73,817.90, 110,726.85 and 70,901.90

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Solution

The fourth proportional to 73,817.90, 110,726.85 and 70,901.90 is: 106,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,817.90 : 110,726.85 = 70,901.90 : x
  2. Step 2: Convert to fraction form
    73,817.90/110,726.85 = 70,901.90/x
  3. Step 3: Cross multiply
    73,817.90x = 110,726.85 × 70,901.90
  4. Step 4: Simplify right side
    73,817.90x = 7,850,744,046.02
  5. Step 5: Solve for x
    x = 7,850,744,046.02/73,817.90
  6. Step 6: Final answer
    x = 106,352.85

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1.5x scale

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.