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Finding the Fourth Proportional to 162,659.79, 224,427.78 and 93,732.30

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Solution

The fourth proportional to 162,659.79, 224,427.78 and 93,732.30 is: 129,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,659.79 : 224,427.78 = 93,732.30 : x
  2. Step 2: Convert to fraction form
    162,659.79/224,427.78 = 93,732.30/x
  3. Step 3: Cross multiply
    162,659.79x = 224,427.78 × 93,732.30
  4. Step 4: Simplify right side
    162,659.79x = 21,036,132,003.29
  5. Step 5: Solve for x
    x = 21,036,132,003.29/162,659.79
  6. Step 6: Final answer
    x = 129,325.95

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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.