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Finding the Fourth Proportional to 70,340.72, 105,519.75 and 22,943.14

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Solution

The fourth proportional to 70,340.72, 105,519.75 and 22,943.14 is: 34,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,340.72 : 105,519.75 = 22,943.14 : x
  2. Step 2: Convert to fraction form
    70,340.72/105,519.75 = 22,943.14/x
  3. Step 3: Cross multiply
    70,340.72x = 105,519.75 × 22,943.14
  4. Step 4: Simplify right side
    70,340.72x = 2,420,954,397.02
  5. Step 5: Solve for x
    x = 2,420,954,397.02/70,340.72
  6. Step 6: Final answer
    x = 34,417.54

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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.