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Finding the Fourth Proportional to 100,834.74, 151,193.82 and 60,348.60

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Solution

The fourth proportional to 100,834.74, 151,193.82 and 60,348.60 is: 90,488.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,834.74 : 151,193.82 = 60,348.60 : x
  2. Step 2: Convert to fraction form
    100,834.74/151,193.82 = 60,348.60/x
  3. Step 3: Cross multiply
    100,834.74x = 151,193.82 × 60,348.60
  4. Step 4: Simplify right side
    100,834.74x = 9,124,335,365.65
  5. Step 5: Solve for x
    x = 9,124,335,365.65/100,834.74
  6. Step 6: Final answer
    x = 90,488.01

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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.