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Finding the Fourth Proportional to 329,048.43, 454,088.75 and 178,145.43

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Solution

The fourth proportional to 329,048.43, 454,088.75 and 178,145.43 is: 245,841.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,048.43 : 454,088.75 = 178,145.43 : x
  2. Step 2: Convert to fraction form
    329,048.43/454,088.75 = 178,145.43/x
  3. Step 3: Cross multiply
    329,048.43x = 454,088.75 × 178,145.43
  4. Step 4: Simplify right side
    329,048.43x = 80,893,834,736.19
  5. Step 5: Solve for x
    x = 80,893,834,736.19/329,048.43
  6. Step 6: Final answer
    x = 245,841.73

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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.