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Finding the Fourth Proportional to 342,570.48, 513,727.92 and 117,867.36

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Solution

The fourth proportional to 342,570.48, 513,727.92 and 117,867.36 is: 176,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,570.48 : 513,727.92 = 117,867.36 : x
  2. Step 2: Convert to fraction form
    342,570.48/513,727.92 = 117,867.36/x
  3. Step 3: Cross multiply
    342,570.48x = 513,727.92 × 117,867.36
  4. Step 4: Simplify right side
    342,570.48x = 60,551,753,688.69
  5. Step 5: Solve for x
    x = 60,551,753,688.69/342,570.48
  6. Step 6: Final answer
    x = 176,757.07

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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.