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Finding the Fourth Proportional to 238,001.33, 328,470.92 and 136,031.10

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Solution

The fourth proportional to 238,001.33, 328,470.92 and 136,031.10 is: 187,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,001.33 : 328,470.92 = 136,031.10 : x
  2. Step 2: Convert to fraction form
    238,001.33/328,470.92 = 136,031.10/x
  3. Step 3: Cross multiply
    238,001.33x = 328,470.92 × 136,031.10
  4. Step 4: Simplify right side
    238,001.33x = 44,682,259,163.81
  5. Step 5: Solve for x
    x = 44,682,259,163.81/238,001.33
  6. Step 6: Final answer
    x = 187,739.53

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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.