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Finding the Fourth Proportional to 229,677.92, 316,949.62 and 127,698.11

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Solution

The fourth proportional to 229,677.92, 316,949.62 and 127,698.11 is: 176,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,677.92 : 316,949.62 = 127,698.11 : x
  2. Step 2: Convert to fraction form
    229,677.92/316,949.62 = 127,698.11/x
  3. Step 3: Cross multiply
    229,677.92x = 316,949.62 × 127,698.11
  4. Step 4: Simplify right side
    229,677.92x = 40,473,867,439.22
  5. Step 5: Solve for x
    x = 40,473,867,439.22/229,677.92
  6. Step 6: Final answer
    x = 176,220.11

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1.5x scale

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.