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Finding the Fourth Proportional to 161,034.30, 241,551.45 and 72,460.80

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Solution

The fourth proportional to 161,034.30, 241,551.45 and 72,460.80 is: 108,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,034.30 : 241,551.45 = 72,460.80 : x
  2. Step 2: Convert to fraction form
    161,034.30/241,551.45 = 72,460.80/x
  3. Step 3: Cross multiply
    161,034.30x = 241,551.45 × 72,460.80
  4. Step 4: Simplify right side
    161,034.30x = 17,503,011,308.16
  5. Step 5: Solve for x
    x = 17,503,011,308.16/161,034.30
  6. Step 6: Final answer
    x = 108,691.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.