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Finding the Fourth Proportional to 70,952.24, 106,397.52 and 20,340.12

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Solution

The fourth proportional to 70,952.24, 106,397.52 and 20,340.12 is: 30,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,952.24 : 106,397.52 = 20,340.12 : x
  2. Step 2: Convert to fraction form
    70,952.24/106,397.52 = 20,340.12/x
  3. Step 3: Cross multiply
    70,952.24x = 106,397.52 × 20,340.12
  4. Step 4: Simplify right side
    70,952.24x = 2,164,138,324.50
  5. Step 5: Solve for x
    x = 2,164,138,324.50/70,952.24
  6. Step 6: Final answer
    x = 30,501.34

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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.