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Finding the Fourth Proportional to 162,432.73, 224,164.16 and 90,812.73

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Solution

The fourth proportional to 162,432.73, 224,164.16 and 90,812.73 is: 125,325.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,432.73 : 224,164.16 = 90,812.73 : x
  2. Step 2: Convert to fraction form
    162,432.73/224,164.16 = 90,812.73/x
  3. Step 3: Cross multiply
    162,432.73x = 224,164.16 × 90,812.73
  4. Step 4: Simplify right side
    162,432.73x = 20,356,959,337.76
  5. Step 5: Solve for x
    x = 20,356,959,337.76/162,432.73
  6. Step 6: Final answer
    x = 125,325.48

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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.