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Finding the Fourth Proportional to 218,876.68, 301,998.36 and 132,833.76

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Solution

The fourth proportional to 218,876.68, 301,998.36 and 132,833.76 is: 183,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,876.68 : 301,998.36 = 132,833.76 : x
  2. Step 2: Convert to fraction form
    218,876.68/301,998.36 = 132,833.76/x
  3. Step 3: Cross multiply
    218,876.68x = 301,998.36 × 132,833.76
  4. Step 4: Simplify right side
    218,876.68x = 40,115,577,672.63
  5. Step 5: Solve for x
    x = 40,115,577,672.63/218,876.68
  6. Step 6: Final answer
    x = 183,279.36

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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.