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Finding the Fourth Proportional to 64,167.80, 96,251.70 and 57,606.80

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Solution

The fourth proportional to 64,167.80, 96,251.70 and 57,606.80 is: 86,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,167.80 : 96,251.70 = 57,606.80 : x
  2. Step 2: Convert to fraction form
    64,167.80/96,251.70 = 57,606.80/x
  3. Step 3: Cross multiply
    64,167.80x = 96,251.70 × 57,606.80
  4. Step 4: Simplify right side
    64,167.80x = 5,544,752,431.56
  5. Step 5: Solve for x
    x = 5,544,752,431.56/64,167.80
  6. Step 6: Final answer
    x = 86,410.20

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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.