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Finding the Fourth Proportional to 247,681.52, 341,905.13 and 167,218.03

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Solution

The fourth proportional to 247,681.52, 341,905.13 and 167,218.03 is: 230,831.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,681.52 : 341,905.13 = 167,218.03 : x
  2. Step 2: Convert to fraction form
    247,681.52/341,905.13 = 167,218.03/x
  3. Step 3: Cross multiply
    247,681.52x = 341,905.13 × 167,218.03
  4. Step 4: Simplify right side
    247,681.52x = 57,172,702,285.49
  5. Step 5: Solve for x
    x = 57,172,702,285.49/247,681.52
  6. Step 6: Final answer
    x = 230,831.52

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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.