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Finding the Fourth Proportional to 98,332.99, 135,748.91 and 58,059.38

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Solution

The fourth proportional to 98,332.99, 135,748.91 and 58,059.38 is: 80,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,332.99 : 135,748.91 = 58,059.38 : x
  2. Step 2: Convert to fraction form
    98,332.99/135,748.91 = 58,059.38/x
  3. Step 3: Cross multiply
    98,332.99x = 135,748.91 × 58,059.38
  4. Step 4: Simplify right side
    98,332.99x = 7,881,498,034.80
  5. Step 5: Solve for x
    x = 7,881,498,034.80/98,332.99
  6. Step 6: Final answer
    x = 80,151.11

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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.