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Finding the Fourth Proportional to 99,653,159.20, 149,479,738.80 and 58,670,528.80

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Solution

The fourth proportional to 99,653,159.20, 149,479,738.80 and 58,670,528.80 is: 88,005,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,653,159.20 : 149,479,738.80 = 58,670,528.80 : x
  2. Step 2: Convert to fraction form
    99,653,159.20/149,479,738.80 = 58,670,528.80/x
  3. Step 3: Cross multiply
    99,653,159.20x = 149,479,738.80 × 58,670,528.80
  4. Step 4: Simplify right side
    99,653,159.20x = 8,770,055,320,281,878
  5. Step 5: Solve for x
    x = 8,770,055,320,281,878/99,653,159.20
  6. Step 6: Final answer
    x = 88,005,793.20

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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.