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Finding the Fourth Proportional to 162,332.43, 224,018.22 and 90,712.43

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Solution

The fourth proportional to 162,332.43, 224,018.22 and 90,712.43 is: 125,182.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,332.43 : 224,018.22 = 90,712.43 : x
  2. Step 2: Convert to fraction form
    162,332.43/224,018.22 = 90,712.43/x
  3. Step 3: Cross multiply
    162,332.43x = 224,018.22 × 90,712.43
  4. Step 4: Simplify right side
    162,332.43x = 20,321,237,100.47
  5. Step 5: Solve for x
    x = 20,321,237,100.47/162,332.43
  6. Step 6: Final answer
    x = 125,182.86

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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.