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Finding the Fourth Proportional to 229,363.92, 316,532.84 and 127,389.88

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Solution

The fourth proportional to 229,363.92, 316,532.84 and 127,389.88 is: 175,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,363.92 : 316,532.84 = 127,389.88 : x
  2. Step 2: Convert to fraction form
    229,363.92/316,532.84 = 127,389.88/x
  3. Step 3: Cross multiply
    229,363.92x = 316,532.84 × 127,389.88
  4. Step 4: Simplify right side
    229,363.92x = 40,323,080,503.66
  5. Step 5: Solve for x
    x = 40,323,080,503.66/229,363.92
  6. Step 6: Final answer
    x = 175,803.94

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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.