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Finding the Fourth Proportional to 101,950,086.80, 152,673,187.80 and 67,685,920.40

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Solution

The fourth proportional to 101,950,086.80, 152,673,187.80 and 67,685,920.40 is: 101,361,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,950,086.80 : 152,673,187.80 = 67,685,920.40 : x
  2. Step 2: Convert to fraction form
    101,950,086.80/152,673,187.80 = 67,685,920.40/x
  3. Step 3: Cross multiply
    101,950,086.80x = 152,673,187.80 × 67,685,920.40
  4. Step 4: Simplify right side
    101,950,086.80x = 10,333,825,236,645,052
  5. Step 5: Solve for x
    x = 10,333,825,236,645,052/101,950,086.80
  6. Step 6: Final answer
    x = 101,361,612.93

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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.