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Finding the Fourth Proportional to 158,019.19, 218,070.43 and 95,930.43

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Solution

The fourth proportional to 158,019.19, 218,070.43 and 95,930.43 is: 132,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,019.19 : 218,070.43 = 95,930.43 : x
  2. Step 2: Convert to fraction form
    158,019.19/218,070.43 = 95,930.43/x
  3. Step 3: Cross multiply
    158,019.19x = 218,070.43 × 95,930.43
  4. Step 4: Simplify right side
    158,019.19x = 20,919,589,062.59
  5. Step 5: Solve for x
    x = 20,919,589,062.59/158,019.19
  6. Step 6: Final answer
    x = 132,386.39

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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.