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Finding the Fourth Proportional to 238,674.71, 329,289.12 and 147,998.04

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Solution

The fourth proportional to 238,674.71, 329,289.12 and 147,998.04 is: 204,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,674.71 : 329,289.12 = 147,998.04 : x
  2. Step 2: Convert to fraction form
    238,674.71/329,289.12 = 147,998.04/x
  3. Step 3: Cross multiply
    238,674.71x = 329,289.12 × 147,998.04
  4. Step 4: Simplify right side
    238,674.71x = 48,734,144,353.32
  5. Step 5: Solve for x
    x = 48,734,144,353.32/238,674.71
  6. Step 6: Final answer
    x = 204,186.47

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1.5x scale

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.