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Finding the Fourth Proportional to 119,341.76, 178,987.39 and 35,078.97

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Solution

The fourth proportional to 119,341.76, 178,987.39 and 35,078.97 is: 52,611.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,341.76 : 178,987.39 = 35,078.97 : x
  2. Step 2: Convert to fraction form
    119,341.76/178,987.39 = 35,078.97/x
  3. Step 3: Cross multiply
    119,341.76x = 178,987.39 × 35,078.97
  4. Step 4: Simplify right side
    119,341.76x = 6,278,693,867.69
  5. Step 5: Solve for x
    x = 6,278,693,867.69/119,341.76
  6. Step 6: Final answer
    x = 52,611.04

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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.