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Finding the Fourth Proportional to 342,552.66, 513,872.73 and 132,250.74

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Solution

The fourth proportional to 342,552.66, 513,872.73 and 132,250.74 is: 198,393.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,552.66 : 513,872.73 = 132,250.74 : x
  2. Step 2: Convert to fraction form
    342,552.66/513,872.73 = 132,250.74/x
  3. Step 3: Cross multiply
    342,552.66x = 513,872.73 × 132,250.74
  4. Step 4: Simplify right side
    342,552.66x = 67,960,048,808.32
  5. Step 5: Solve for x
    x = 67,960,048,808.32/342,552.66
  6. Step 6: Final answer
    x = 198,393.00

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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.