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Finding the Fourth Proportional to 158,375,591.77, 218,566,882.69 and 88,783,327.21

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Solution

The fourth proportional to 158,375,591.77, 218,566,882.69 and 88,783,327.21 is: 122,525,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,375,591.77 : 218,566,882.69 = 88,783,327.21 : x
  2. Step 2: Convert to fraction form
    158,375,591.77/218,566,882.69 = 88,783,327.21/x
  3. Step 3: Cross multiply
    158,375,591.77x = 218,566,882.69 × 88,783,327.21
  4. Step 4: Simplify right side
    158,375,591.77x = 19,405,095,063,135,952
  5. Step 5: Solve for x
    x = 19,405,095,063,135,952/158,375,591.77
  6. Step 6: Final answer
    x = 122,525,793.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.