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Finding the Fourth Proportional to 234,127.58, 351,081.84 and 84,348.15

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Solution

The fourth proportional to 234,127.58, 351,081.84 and 84,348.15 is: 126,482.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,127.58 : 351,081.84 = 84,348.15 : x
  2. Step 2: Convert to fraction form
    234,127.58/351,081.84 = 84,348.15/x
  3. Step 3: Cross multiply
    234,127.58x = 351,081.84 × 84,348.15
  4. Step 4: Simplify right side
    234,127.58x = 29,613,103,196.05
  5. Step 5: Solve for x
    x = 29,613,103,196.05/234,127.58
  6. Step 6: Final answer
    x = 126,482.76

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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.