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Finding the Fourth Proportional to 111,855.88, 154,359.12 and 60,866.88

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Solution

The fourth proportional to 111,855.88, 154,359.12 and 60,866.88 is: 83,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,855.88 : 154,359.12 = 60,866.88 : x
  2. Step 2: Convert to fraction form
    111,855.88/154,359.12 = 60,866.88/x
  3. Step 3: Cross multiply
    111,855.88x = 154,359.12 × 60,866.88
  4. Step 4: Simplify right side
    111,855.88x = 9,395,358,033.95
  5. Step 5: Solve for x
    x = 9,395,358,033.95/111,855.88
  6. Step 6: Final answer
    x = 83,995.21

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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.