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Finding the Fourth Proportional to 164,129.28, 246,193.92 and 39,470.28

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Solution

The fourth proportional to 164,129.28, 246,193.92 and 39,470.28 is: 59,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,129.28 : 246,193.92 = 39,470.28 : x
  2. Step 2: Convert to fraction form
    164,129.28/246,193.92 = 39,470.28/x
  3. Step 3: Cross multiply
    164,129.28x = 246,193.92 × 39,470.28
  4. Step 4: Simplify right side
    164,129.28x = 9,717,342,956.70
  5. Step 5: Solve for x
    x = 9,717,342,956.70/164,129.28
  6. Step 6: Final answer
    x = 59,205.42

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1.5x scale

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.