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Finding the Fourth Proportional to 187,685.96, 259,006.22 and 101,644.68

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Solution

The fourth proportional to 187,685.96, 259,006.22 and 101,644.68 is: 140,269.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,685.96 : 259,006.22 = 101,644.68 : x
  2. Step 2: Convert to fraction form
    187,685.96/259,006.22 = 101,644.68/x
  3. Step 3: Cross multiply
    187,685.96x = 259,006.22 × 101,644.68
  4. Step 4: Simplify right side
    187,685.96x = 26,326,604,349.91
  5. Step 5: Solve for x
    x = 26,326,604,349.91/187,685.96
  6. Step 6: Final answer
    x = 140,269.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.