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Finding the Fourth Proportional to 71,281.58, 106,877.25 and 60,710.18

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Solution

The fourth proportional to 71,281.58, 106,877.25 and 60,710.18 is: 91,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,281.58 : 106,877.25 = 60,710.18 : x
  2. Step 2: Convert to fraction form
    71,281.58/106,877.25 = 60,710.18/x
  3. Step 3: Cross multiply
    71,281.58x = 106,877.25 × 60,710.18
  4. Step 4: Simplify right side
    71,281.58x = 6,488,536,551.02
  5. Step 5: Solve for x
    x = 6,488,536,551.02/71,281.58
  6. Step 6: Final answer
    x = 91,026.84

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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.