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Finding the Fourth Proportional to 67,515.66, 101,337.05 and 34,259.60

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Solution

The fourth proportional to 67,515.66, 101,337.05 and 34,259.60 is: 51,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,515.66 : 101,337.05 = 34,259.60 : x
  2. Step 2: Convert to fraction form
    67,515.66/101,337.05 = 34,259.60/x
  3. Step 3: Cross multiply
    67,515.66x = 101,337.05 × 34,259.60
  4. Step 4: Simplify right side
    67,515.66x = 3,471,766,798.18
  5. Step 5: Solve for x
    x = 3,471,766,798.18/67,515.66
  6. Step 6: Final answer
    x = 51,421.65

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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.