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Finding the Fourth Proportional to 92,001.60, 137,905.20 and 52,473.60

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Solution

The fourth proportional to 92,001.60, 137,905.20 and 52,473.60 is: 78,654.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,001.60 : 137,905.20 = 52,473.60 : x
  2. Step 2: Convert to fraction form
    92,001.60/137,905.20 = 52,473.60/x
  3. Step 3: Cross multiply
    92,001.60x = 137,905.20 × 52,473.60
  4. Step 4: Simplify right side
    92,001.60x = 7,236,382,302.72
  5. Step 5: Solve for x
    x = 7,236,382,302.72/92,001.60
  6. Step 6: Final answer
    x = 78,654.96

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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.