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Finding the Fourth Proportional to 260,905.14, 360,049.91 and 152,073.88

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Solution

The fourth proportional to 260,905.14, 360,049.91 and 152,073.88 is: 209,862.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,905.14 : 360,049.91 = 152,073.88 : x
  2. Step 2: Convert to fraction form
    260,905.14/360,049.91 = 152,073.88/x
  3. Step 3: Cross multiply
    260,905.14x = 360,049.91 × 152,073.88
  4. Step 4: Simplify right side
    260,905.14x = 54,754,185,146.86
  5. Step 5: Solve for x
    x = 54,754,185,146.86/260,905.14
  6. Step 6: Final answer
    x = 209,862.42

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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.