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Finding the Fourth Proportional to 227,630.32, 314,129.91 and 125,655.85

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Solution

The fourth proportional to 227,630.32, 314,129.91 and 125,655.85 is: 173,405.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,630.32 : 314,129.91 = 125,655.85 : x
  2. Step 2: Convert to fraction form
    227,630.32/314,129.91 = 125,655.85/x
  3. Step 3: Cross multiply
    227,630.32x = 314,129.91 × 125,655.85
  4. Step 4: Simplify right side
    227,630.32x = 39,472,260,851.47
  5. Step 5: Solve for x
    x = 39,472,260,851.47/227,630.32
  6. Step 6: Final answer
    x = 173,405.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.