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Finding the Fourth Proportional to 127,950.77, 191,870.39 and 67,966.11

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Solution

The fourth proportional to 127,950.77, 191,870.39 and 67,966.11 is: 101,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,950.77 : 191,870.39 = 67,966.11 : x
  2. Step 2: Convert to fraction form
    127,950.77/191,870.39 = 67,966.11/x
  3. Step 3: Cross multiply
    127,950.77x = 191,870.39 × 67,966.11
  4. Step 4: Simplify right side
    127,950.77x = 13,040,684,202.40
  5. Step 5: Solve for x
    x = 13,040,684,202.40/127,950.77
  6. Step 6: Final answer
    x = 101,919.54

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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.