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Finding the Fourth Proportional to 70,960.59, 106,514.70 and 52,261.74

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Solution

The fourth proportional to 70,960.59, 106,514.70 and 52,261.74 is: 78,446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,960.59 : 106,514.70 = 52,261.74 : x
  2. Step 2: Convert to fraction form
    70,960.59/106,514.70 = 52,261.74/x
  3. Step 3: Cross multiply
    70,960.59x = 106,514.70 × 52,261.74
  4. Step 4: Simplify right side
    70,960.59x = 5,566,643,361.60
  5. Step 5: Solve for x
    x = 5,566,643,361.60/70,960.59
  6. Step 6: Final answer
    x = 78,446.97

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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.