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Finding the Fourth Proportional to 239,470.71, 359,207.49 and 70,992.48

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Solution

The fourth proportional to 239,470.71, 359,207.49 and 70,992.48 is: 106,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,470.71 : 359,207.49 = 70,992.48 : x
  2. Step 2: Convert to fraction form
    239,470.71/359,207.49 = 70,992.48/x
  3. Step 3: Cross multiply
    239,470.71x = 359,207.49 × 70,992.48
  4. Step 4: Simplify right side
    239,470.71x = 25,501,030,549.68
  5. Step 5: Solve for x
    x = 25,501,030,549.68/239,470.71
  6. Step 6: Final answer
    x = 106,489.14

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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.