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Finding the Fourth Proportional to 329,148.86, 454,225.19 and 178,245.86

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Solution

The fourth proportional to 329,148.86, 454,225.19 and 178,245.86 is: 245,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,148.86 : 454,225.19 = 178,245.86 : x
  2. Step 2: Convert to fraction form
    329,148.86/454,225.19 = 178,245.86/x
  3. Step 3: Cross multiply
    329,148.86x = 454,225.19 × 178,245.86
  4. Step 4: Simplify right side
    329,148.86x = 80,963,756,462.86
  5. Step 5: Solve for x
    x = 80,963,756,462.86/329,148.86
  6. Step 6: Final answer
    x = 245,979.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.