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Finding the Fourth Proportional to 159,897.11, 220,658.33 and 88,277.27

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Solution

The fourth proportional to 159,897.11, 220,658.33 and 88,277.27 is: 121,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,897.11 : 220,658.33 = 88,277.27 : x
  2. Step 2: Convert to fraction form
    159,897.11/220,658.33 = 88,277.27/x
  3. Step 3: Cross multiply
    159,897.11x = 220,658.33 × 88,277.27
  4. Step 4: Simplify right side
    159,897.11x = 19,479,114,092.56
  5. Step 5: Solve for x
    x = 19,479,114,092.56/159,897.11
  6. Step 6: Final answer
    x = 121,822.81

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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.