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Finding the Fourth Proportional to 111,797.73, 154,281.38 and 60,810.66

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Solution

The fourth proportional to 111,797.73, 154,281.38 and 60,810.66 is: 83,918.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,797.73 : 154,281.38 = 60,810.66 : x
  2. Step 2: Convert to fraction form
    111,797.73/154,281.38 = 60,810.66/x
  3. Step 3: Cross multiply
    111,797.73x = 154,281.38 × 60,810.66
  4. Step 4: Simplify right side
    111,797.73x = 9,381,952,239.46
  5. Step 5: Solve for x
    x = 9,381,952,239.46/111,797.73
  6. Step 6: Final answer
    x = 83,918.99

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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.