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Finding the Fourth Proportional to 97,787,205.20, 146,573,671.80 and 49,187,550.80

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Solution

The fourth proportional to 97,787,205.20, 146,573,671.80 and 49,187,550.80 is: 73,727,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,787,205.20 : 146,573,671.80 = 49,187,550.80 : x
  2. Step 2: Convert to fraction form
    97,787,205.20/146,573,671.80 = 49,187,550.80/x
  3. Step 3: Cross multiply
    97,787,205.20x = 146,573,671.80 × 49,187,550.80
  4. Step 4: Simplify right side
    97,787,205.20x = 7,209,599,927,605,028
  5. Step 5: Solve for x
    x = 7,209,599,927,605,028/97,787,205.20
  6. Step 6: Final answer
    x = 73,727,436.15

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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.