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Finding the Fourth Proportional to 162,658.61, 224,462.82 and 90,060.06

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Solution

The fourth proportional to 162,658.61, 224,462.82 and 90,060.06 is: 124,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,658.61 : 224,462.82 = 90,060.06 : x
  2. Step 2: Convert to fraction form
    162,658.61/224,462.82 = 90,060.06/x
  3. Step 3: Cross multiply
    162,658.61x = 224,462.82 × 90,060.06
  4. Step 4: Simplify right side
    162,658.61x = 20,215,135,036.97
  5. Step 5: Solve for x
    x = 20,215,135,036.97/162,658.61
  6. Step 6: Final answer
    x = 124,279.53

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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.