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Finding the Fourth Proportional to 250,206.52, 375,348.12 and 84,033.40

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Solution

The fourth proportional to 250,206.52, 375,348.12 and 84,033.40 is: 126,062.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,206.52 : 375,348.12 = 84,033.40 : x
  2. Step 2: Convert to fraction form
    250,206.52/375,348.12 = 84,033.40/x
  3. Step 3: Cross multiply
    250,206.52x = 375,348.12 × 84,033.40
  4. Step 4: Simplify right side
    250,206.52x = 31,541,778,707.21
  5. Step 5: Solve for x
    x = 31,541,778,707.21/250,206.52
  6. Step 6: Final answer
    x = 126,062.98

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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.