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Finding the Fourth Proportional to 127,675.80, 191,544.12 and 64,340.28

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Solution

The fourth proportional to 127,675.80, 191,544.12 and 64,340.28 is: 96,525.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,675.80 : 191,544.12 = 64,340.28 : x
  2. Step 2: Convert to fraction form
    127,675.80/191,544.12 = 64,340.28/x
  3. Step 3: Cross multiply
    127,675.80x = 191,544.12 × 64,340.28
  4. Step 4: Simplify right side
    127,675.80x = 12,324,002,313.15
  5. Step 5: Solve for x
    x = 12,324,002,313.15/127,675.80
  6. Step 6: Final answer
    x = 96,525.75

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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.