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Finding the Fourth Proportional to 70,218.78, 96,882.39 and 41,914.14

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Solution

The fourth proportional to 70,218.78, 96,882.39 and 41,914.14 is: 57,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,218.78 : 96,882.39 = 41,914.14 : x
  2. Step 2: Convert to fraction form
    70,218.78/96,882.39 = 41,914.14/x
  3. Step 3: Cross multiply
    70,218.78x = 96,882.39 × 41,914.14
  4. Step 4: Simplify right side
    70,218.78x = 4,060,742,057.99
  5. Step 5: Solve for x
    x = 4,060,742,057.99/70,218.78
  6. Step 6: Final answer
    x = 57,829.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.