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Finding the Fourth Proportional to 144,274.96, 215,871.15 and 119,326.76

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Solution

The fourth proportional to 144,274.96, 215,871.15 and 119,326.76 is: 178,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,274.96 : 215,871.15 = 119,326.76 : x
  2. Step 2: Convert to fraction form
    144,274.96/215,871.15 = 119,326.76/x
  3. Step 3: Cross multiply
    144,274.96x = 215,871.15 × 119,326.76
  4. Step 4: Simplify right side
    144,274.96x = 25,759,204,906.97
  5. Step 5: Solve for x
    x = 25,759,204,906.97/144,274.96
  6. Step 6: Final answer
    x = 178,542.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.