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Finding the Fourth Proportional to 151,510.80, 227,071.80 and 72,454.80

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Solution

The fourth proportional to 151,510.80, 227,071.80 and 72,454.80 is: 108,589.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,510.80 : 227,071.80 = 72,454.80 : x
  2. Step 2: Convert to fraction form
    151,510.80/227,071.80 = 72,454.80/x
  3. Step 3: Cross multiply
    151,510.80x = 227,071.80 × 72,454.80
  4. Step 4: Simplify right side
    151,510.80x = 16,452,441,854.64
  5. Step 5: Solve for x
    x = 16,452,441,854.64/151,510.80
  6. Step 6: Final answer
    x = 108,589.23

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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.