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Finding the Fourth Proportional to 229,600.98, 316,831.15 and 127,618.44

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Solution

The fourth proportional to 229,600.98, 316,831.15 and 127,618.44 is: 176,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,600.98 : 316,831.15 = 127,618.44 : x
  2. Step 2: Convert to fraction form
    229,600.98/316,831.15 = 127,618.44/x
  3. Step 3: Cross multiply
    229,600.98x = 316,831.15 × 127,618.44
  4. Step 4: Simplify right side
    229,600.98x = 40,433,495,359.96
  5. Step 5: Solve for x
    x = 40,433,495,359.96/229,600.98
  6. Step 6: Final answer
    x = 176,103.32

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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.