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Finding the Fourth Proportional to 92,122.60, 137,962.46 and 52,559.77

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Solution

The fourth proportional to 92,122.60, 137,962.46 and 52,559.77 is: 78,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,122.60 : 137,962.46 = 52,559.77 : x
  2. Step 2: Convert to fraction form
    92,122.60/137,962.46 = 52,559.77/x
  3. Step 3: Cross multiply
    92,122.60x = 137,962.46 × 52,559.77
  4. Step 4: Simplify right side
    92,122.60x = 7,251,275,166.23
  5. Step 5: Solve for x
    x = 7,251,275,166.23/92,122.60
  6. Step 6: Final answer
    x = 78,713.31

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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.