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Finding the Fourth Proportional to 98,281.98, 135,628.98 and 57,995.82

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Solution

The fourth proportional to 98,281.98, 135,628.98 and 57,995.82 is: 80,034.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,281.98 : 135,628.98 = 57,995.82 : x
  2. Step 2: Convert to fraction form
    98,281.98/135,628.98 = 57,995.82/x
  3. Step 3: Cross multiply
    98,281.98x = 135,628.98 × 57,995.82
  4. Step 4: Simplify right side
    98,281.98x = 7,865,913,910.86
  5. Step 5: Solve for x
    x = 7,865,913,910.86/98,281.98
  6. Step 6: Final answer
    x = 80,034.14

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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.