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Finding the Fourth Proportional to 95,072.48, 142,748.88 and 53,034.68

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Solution

The fourth proportional to 95,072.48, 142,748.88 and 53,034.68 is: 79,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,072.48 : 142,748.88 = 53,034.68 : x
  2. Step 2: Convert to fraction form
    95,072.48/142,748.88 = 53,034.68/x
  3. Step 3: Cross multiply
    95,072.48x = 142,748.88 × 53,034.68
  4. Step 4: Simplify right side
    95,072.48x = 7,570,641,171.16
  5. Step 5: Solve for x
    x = 7,570,641,171.16/95,072.48
  6. Step 6: Final answer
    x = 79,630.21

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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.