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Finding the Fourth Proportional to 147,237.54, 220,671.01 and 79,766.97

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Solution

The fourth proportional to 147,237.54, 220,671.01 and 79,766.97 is: 119,550.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,237.54 : 220,671.01 = 79,766.97 : x
  2. Step 2: Convert to fraction form
    147,237.54/220,671.01 = 79,766.97/x
  3. Step 3: Cross multiply
    147,237.54x = 220,671.01 × 79,766.97
  4. Step 4: Simplify right side
    147,237.54x = 17,602,257,834.54
  5. Step 5: Solve for x
    x = 17,602,257,834.54/147,237.54
  6. Step 6: Final answer
    x = 119,550.07

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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.