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Finding the Fourth Proportional to 159,658.54, 220,324.08 and 88,038.55

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Solution

The fourth proportional to 159,658.54, 220,324.08 and 88,038.55 is: 121,490.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,658.54 : 220,324.08 = 88,038.55 : x
  2. Step 2: Convert to fraction form
    159,658.54/220,324.08 = 88,038.55/x
  3. Step 3: Cross multiply
    159,658.54x = 220,324.08 × 88,038.55
  4. Step 4: Simplify right side
    159,658.54x = 19,397,011,156.69
  5. Step 5: Solve for x
    x = 19,397,011,156.69/159,658.54
  6. Step 6: Final answer
    x = 121,490.59

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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.