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Finding the Fourth Proportional to 224,555.13, 336,540.96 and 91,280.16

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Solution

The fourth proportional to 224,555.13, 336,540.96 and 91,280.16 is: 136,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,555.13 : 336,540.96 = 91,280.16 : x
  2. Step 2: Convert to fraction form
    224,555.13/336,540.96 = 91,280.16/x
  3. Step 3: Cross multiply
    224,555.13x = 336,540.96 × 91,280.16
  4. Step 4: Simplify right side
    224,555.13x = 30,719,512,675.35
  5. Step 5: Solve for x
    x = 30,719,512,675.35/224,555.13
  6. Step 6: Final answer
    x = 136,801.65

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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.