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Finding the Fourth Proportional to 70,226.64, 105,339.56 and 23,479.11

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Solution

The fourth proportional to 70,226.64, 105,339.56 and 23,479.11 is: 35,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,226.64 : 105,339.56 = 23,479.11 : x
  2. Step 2: Convert to fraction form
    70,226.64/105,339.56 = 23,479.11/x
  3. Step 3: Cross multiply
    70,226.64x = 105,339.56 × 23,479.11
  4. Step 4: Simplify right side
    70,226.64x = 2,473,278,999.20
  5. Step 5: Solve for x
    x = 2,473,278,999.20/70,226.64
  6. Step 6: Final answer
    x = 35,218.53

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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.