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Finding the Fourth Proportional to 98,886.53, 148,269.99 and 38,843.13

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Solution

The fourth proportional to 98,886.53, 148,269.99 and 38,843.13 is: 58,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,886.53 : 148,269.99 = 38,843.13 : x
  2. Step 2: Convert to fraction form
    98,886.53/148,269.99 = 38,843.13/x
  3. Step 3: Cross multiply
    98,886.53x = 148,269.99 × 38,843.13
  4. Step 4: Simplify right side
    98,886.53x = 5,759,270,496.67
  5. Step 5: Solve for x
    x = 5,759,270,496.67/98,886.53
  6. Step 6: Final answer
    x = 58,241.20

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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.