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Finding the Fourth Proportional to 247,717.00, 341,838.02 and 140,287.80

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Solution

The fourth proportional to 247,717.00, 341,838.02 and 140,287.80 is: 193,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,717.00 : 341,838.02 = 140,287.80 : x
  2. Step 2: Convert to fraction form
    247,717.00/341,838.02 = 140,287.80/x
  3. Step 3: Cross multiply
    247,717.00x = 341,838.02 × 140,287.80
  4. Step 4: Simplify right side
    247,717.00x = 47,955,703,606.80
  5. Step 5: Solve for x
    x = 47,955,703,606.80/247,717.00
  6. Step 6: Final answer
    x = 193,590.68

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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.