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Finding the Fourth Proportional to 98,228.97, 135,572.36 and 57,952.71

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Solution

The fourth proportional to 98,228.97, 135,572.36 and 57,952.71 is: 79,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,228.97 : 135,572.36 = 57,952.71 : x
  2. Step 2: Convert to fraction form
    98,228.97/135,572.36 = 57,952.71/x
  3. Step 3: Cross multiply
    98,228.97x = 135,572.36 × 57,952.71
  4. Step 4: Simplify right side
    98,228.97x = 7,856,785,373.33
  5. Step 5: Solve for x
    x = 7,856,785,373.33/98,228.97
  6. Step 6: Final answer
    x = 79,984.40

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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.