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Finding the Fourth Proportional to 89,062.70, 133,615.65 and 62,818.70

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Solution

The fourth proportional to 89,062.70, 133,615.65 and 62,818.70 is: 94,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,062.70 : 133,615.65 = 62,818.70 : x
  2. Step 2: Convert to fraction form
    89,062.70/133,615.65 = 62,818.70/x
  3. Step 3: Cross multiply
    89,062.70x = 133,615.65 × 62,818.70
  4. Step 4: Simplify right side
    89,062.70x = 8,393,561,432.66
  5. Step 5: Solve for x
    x = 8,393,561,432.66/89,062.70
  6. Step 6: Final answer
    x = 94,243.29

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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.