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Finding the Fourth Proportional to 342,501.74, 513,625.17 and 117,799.10

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Solution

The fourth proportional to 342,501.74, 513,625.17 and 117,799.10 is: 176,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,501.74 : 513,625.17 = 117,799.10 : x
  2. Step 2: Convert to fraction form
    342,501.74/513,625.17 = 117,799.10/x
  3. Step 3: Cross multiply
    342,501.74x = 513,625.17 × 117,799.10
  4. Step 4: Simplify right side
    342,501.74x = 60,504,582,763.35
  5. Step 5: Solve for x
    x = 60,504,582,763.35/342,501.74
  6. Step 6: Final answer
    x = 176,654.82

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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.