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Finding the Fourth Proportional to 160,805.72, 241,024.70 and 76,446.20

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Solution

The fourth proportional to 160,805.72, 241,024.70 and 76,446.20 is: 114,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,805.72 : 241,024.70 = 76,446.20 : x
  2. Step 2: Convert to fraction form
    160,805.72/241,024.70 = 76,446.20/x
  3. Step 3: Cross multiply
    160,805.72x = 241,024.70 × 76,446.20
  4. Step 4: Simplify right side
    160,805.72x = 18,425,422,421.14
  5. Step 5: Solve for x
    x = 18,425,422,421.14/160,805.72
  6. Step 6: Final answer
    x = 114,581.88

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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.