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Finding the Fourth Proportional to 71,564.60, 107,459.22 and 60,614.84

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Solution

The fourth proportional to 71,564.60, 107,459.22 and 60,614.84 is: 91,017.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,564.60 : 107,459.22 = 60,614.84 : x
  2. Step 2: Convert to fraction form
    71,564.60/107,459.22 = 60,614.84/x
  3. Step 3: Cross multiply
    71,564.60x = 107,459.22 × 60,614.84
  4. Step 4: Simplify right side
    71,564.60x = 6,513,623,426.82
  5. Step 5: Solve for x
    x = 6,513,623,426.82/71,564.60
  6. Step 6: Final answer
    x = 91,017.39

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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.