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Finding the Fourth Proportional to 124,748.70, 187,123.05 and 36,005.10

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Solution

The fourth proportional to 124,748.70, 187,123.05 and 36,005.10 is: 54,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,748.70 : 187,123.05 = 36,005.10 : x
  2. Step 2: Convert to fraction form
    124,748.70/187,123.05 = 36,005.10/x
  3. Step 3: Cross multiply
    124,748.70x = 187,123.05 × 36,005.10
  4. Step 4: Simplify right side
    124,748.70x = 6,737,384,127.56
  5. Step 5: Solve for x
    x = 6,737,384,127.56/124,748.70
  6. Step 6: Final answer
    x = 54,007.65

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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.