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Finding the Fourth Proportional to 240,700.14, 361,108.53 and 72,220.14

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Solution

The fourth proportional to 240,700.14, 361,108.53 and 72,220.14 is: 108,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,700.14 : 361,108.53 = 72,220.14 : x
  2. Step 2: Convert to fraction form
    240,700.14/361,108.53 = 72,220.14/x
  3. Step 3: Cross multiply
    240,700.14x = 361,108.53 × 72,220.14
  4. Step 4: Simplify right side
    240,700.14x = 26,079,308,591.79
  5. Step 5: Solve for x
    x = 26,079,308,591.79/240,700.14
  6. Step 6: Final answer
    x = 108,347.71

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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.