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Finding the Fourth Proportional to 240,159.72, 360,257.58 and 71,666.76

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Solution

The fourth proportional to 240,159.72, 360,257.58 and 71,666.76 is: 107,505.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,159.72 : 360,257.58 = 71,666.76 : x
  2. Step 2: Convert to fraction form
    240,159.72/360,257.58 = 71,666.76/x
  3. Step 3: Cross multiply
    240,159.72x = 360,257.58 × 71,666.76
  4. Step 4: Simplify right side
    240,159.72x = 25,818,493,524.04
  5. Step 5: Solve for x
    x = 25,818,493,524.04/240,159.72
  6. Step 6: Final answer
    x = 107,505.51

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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.