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Finding the Fourth Proportional to 253,367,695.80, 379,573,246.80 and 130,126,527.90

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Solution

The fourth proportional to 253,367,695.80, 379,573,246.80 and 130,126,527.90 is: 194,944,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,367,695.80 : 379,573,246.80 = 130,126,527.90 : x
  2. Step 2: Convert to fraction form
    253,367,695.80/379,573,246.80 = 130,126,527.90/x
  3. Step 3: Cross multiply
    253,367,695.80x = 379,573,246.80 × 130,126,527.90
  4. Step 4: Simplify right side
    253,367,695.80x = 49,392,548,689,813,792
  5. Step 5: Solve for x
    x = 49,392,548,689,813,792/253,367,695.80
  6. Step 6: Final answer
    x = 194,944,144.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.