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Finding the Fourth Proportional to 266,304,601.80, 399,456,902.70 and 93,976,000.20

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Solution

The fourth proportional to 266,304,601.80, 399,456,902.70 and 93,976,000.20 is: 140,964,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,304,601.80 : 399,456,902.70 = 93,976,000.20 : x
  2. Step 2: Convert to fraction form
    266,304,601.80/399,456,902.70 = 93,976,000.20/x
  3. Step 3: Cross multiply
    266,304,601.80x = 399,456,902.70 × 93,976,000.20
  4. Step 4: Simplify right side
    266,304,601.80x = 37,539,361,968,026,584
  5. Step 5: Solve for x
    x = 37,539,361,968,026,584/266,304,601.80
  6. Step 6: Final answer
    x = 140,964,000.30

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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.