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Finding the Fourth Proportional to 119,977.88, 179,988.68 and 60,037.68

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Solution

The fourth proportional to 119,977.88, 179,988.68 and 60,037.68 is: 90,067.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,977.88 : 179,988.68 = 60,037.68 : x
  2. Step 2: Convert to fraction form
    119,977.88/179,988.68 = 60,037.68/x
  3. Step 3: Cross multiply
    119,977.88x = 179,988.68 × 60,037.68
  4. Step 4: Simplify right side
    119,977.88x = 10,806,102,773.46
  5. Step 5: Solve for x
    x = 10,806,102,773.46/119,977.88
  6. Step 6: Final answer
    x = 90,067.46

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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.