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Finding the Fourth Proportional to 238,668.71, 329,280.84 and 147,992.04

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Solution

The fourth proportional to 238,668.71, 329,280.84 and 147,992.04 is: 204,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,668.71 : 329,280.84 = 147,992.04 : x
  2. Step 2: Convert to fraction form
    238,668.71/329,280.84 = 147,992.04/x
  3. Step 3: Cross multiply
    238,668.71x = 329,280.84 × 147,992.04
  4. Step 4: Simplify right side
    238,668.71x = 48,730,943,244.51
  5. Step 5: Solve for x
    x = 48,730,943,244.51/238,668.71
  6. Step 6: Final answer
    x = 204,178.19

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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.