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Finding the Fourth Proportional to 133,034.10, 199,648.35 and 93,668.10

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Solution

The fourth proportional to 133,034.10, 199,648.35 and 93,668.10 is: 140,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,034.10 : 199,648.35 = 93,668.10 : x
  2. Step 2: Convert to fraction form
    133,034.10/199,648.35 = 93,668.10/x
  3. Step 3: Cross multiply
    133,034.10x = 199,648.35 × 93,668.10
  4. Step 4: Simplify right side
    133,034.10x = 18,700,681,612.64
  5. Step 5: Solve for x
    x = 18,700,681,612.64/133,034.10
  6. Step 6: Final answer
    x = 140,570.59

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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.