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Finding the Fourth Proportional to 224,987.70, 337,481.55 and 91,823.70

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Solution

The fourth proportional to 224,987.70, 337,481.55 and 91,823.70 is: 137,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,987.70 : 337,481.55 = 91,823.70 : x
  2. Step 2: Convert to fraction form
    224,987.70/337,481.55 = 91,823.70/x
  3. Step 3: Cross multiply
    224,987.70x = 337,481.55 × 91,823.70
  4. Step 4: Simplify right side
    224,987.70x = 30,988,804,602.74
  5. Step 5: Solve for x
    x = 30,988,804,602.74/224,987.70
  6. Step 6: Final answer
    x = 137,735.55

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1.5x scale

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.