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Finding the Fourth Proportional to 296,079.48, 408,628.62 and 168,725.88

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Solution

The fourth proportional to 296,079.48, 408,628.62 and 168,725.88 is: 232,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,079.48 : 408,628.62 = 168,725.88 : x
  2. Step 2: Convert to fraction form
    296,079.48/408,628.62 = 168,725.88/x
  3. Step 3: Cross multiply
    296,079.48x = 408,628.62 × 168,725.88
  4. Step 4: Simplify right side
    296,079.48x = 68,946,223,502.69
  5. Step 5: Solve for x
    x = 68,946,223,502.69/296,079.48
  6. Step 6: Final answer
    x = 232,863.90

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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.