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Finding the Fourth Proportional to 227,407.60, 341,392.20 and 143,167.60

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Solution

The fourth proportional to 227,407.60, 341,392.20 and 143,167.60 is: 214,928.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,407.60 : 341,392.20 = 143,167.60 : x
  2. Step 2: Convert to fraction form
    227,407.60/341,392.20 = 143,167.60/x
  3. Step 3: Cross multiply
    227,407.60x = 341,392.20 × 143,167.60
  4. Step 4: Simplify right side
    227,407.60x = 48,876,301,932.72
  5. Step 5: Solve for x
    x = 48,876,301,932.72/227,407.60
  6. Step 6: Final answer
    x = 214,928.18

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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.