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Finding the Fourth Proportional to 283,698.57, 425,547.08 and 84,034.52

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Solution

The fourth proportional to 283,698.57, 425,547.08 and 84,034.52 is: 126,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,698.57 : 425,547.08 = 84,034.52 : x
  2. Step 2: Convert to fraction form
    283,698.57/425,547.08 = 84,034.52/x
  3. Step 3: Cross multiply
    283,698.57x = 425,547.08 × 84,034.52
  4. Step 4: Simplify right side
    283,698.57x = 35,760,644,928.73
  5. Step 5: Solve for x
    x = 35,760,644,928.73/283,698.57
  6. Step 6: Final answer
    x = 126,051.55

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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.