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Finding the Fourth Proportional to 239,711.70, 359,567.55 and 73,478.10

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Solution

The fourth proportional to 239,711.70, 359,567.55 and 73,478.10 is: 110,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,711.70 : 359,567.55 = 73,478.10 : x
  2. Step 2: Convert to fraction form
    239,711.70/359,567.55 = 73,478.10/x
  3. Step 3: Cross multiply
    239,711.70x = 359,567.55 × 73,478.10
  4. Step 4: Simplify right side
    239,711.70x = 26,420,340,395.66
  5. Step 5: Solve for x
    x = 26,420,340,395.66/239,711.70
  6. Step 6: Final answer
    x = 110,217.15

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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.