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Finding the Fourth Proportional to 162,553.72, 224,318.93 and 90,932.21

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Solution

The fourth proportional to 162,553.72, 224,318.93 and 90,932.21 is: 125,483.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,553.72 : 224,318.93 = 90,932.21 : x
  2. Step 2: Convert to fraction form
    162,553.72/224,318.93 = 90,932.21/x
  3. Step 3: Cross multiply
    162,553.72x = 224,318.93 × 90,932.21
  4. Step 4: Simplify right side
    162,553.72x = 20,397,816,049.74
  5. Step 5: Solve for x
    x = 20,397,816,049.74/162,553.72
  6. Step 6: Final answer
    x = 125,483.54

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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.