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Finding the Fourth Proportional to 158,375,593.77, 218,566,885.45 and 88,783,329.21

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Solution

The fourth proportional to 158,375,593.77, 218,566,885.45 and 88,783,329.21 is: 122,525,796.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,375,593.77 : 218,566,885.45 = 88,783,329.21 : x
  2. Step 2: Convert to fraction form
    158,375,593.77/218,566,885.45 = 88,783,329.21/x
  3. Step 3: Cross multiply
    158,375,593.77x = 218,566,885.45 × 88,783,329.21
  4. Step 4: Simplify right side
    158,375,593.77x = 19,405,095,745,311,708
  5. Step 5: Solve for x
    x = 19,405,095,745,311,708/158,375,593.77
  6. Step 6: Final answer
    x = 122,525,796.33

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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.