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Finding the Fourth Proportional to 101,679,939.20, 152,519,908.80 and 88,925,355.20

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Solution

The fourth proportional to 101,679,939.20, 152,519,908.80 and 88,925,355.20 is: 133,388,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,679,939.20 : 152,519,908.80 = 88,925,355.20 : x
  2. Step 2: Convert to fraction form
    101,679,939.20/152,519,908.80 = 88,925,355.20/x
  3. Step 3: Cross multiply
    101,679,939.20x = 152,519,908.80 × 88,925,355.20
  4. Step 4: Simplify right side
    101,679,939.20x = 13,562,887,065,111,608
  5. Step 5: Solve for x
    x = 13,562,887,065,111,608/101,679,939.20
  6. Step 6: Final answer
    x = 133,388,032.80

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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.