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Finding the Fourth Proportional to 119,962.80, 179,837.25 and 60,768

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Solution

The fourth proportional to 119,962.80, 179,837.25 and 60,768 is: 91,097.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,962.80 : 179,837.25 = 60,768 : x
  2. Step 2: Convert to fraction form
    119,962.80/179,837.25 = 60,768/x
  3. Step 3: Cross multiply
    119,962.80x = 179,837.25 × 60,768
  4. Step 4: Simplify right side
    119,962.80x = 10,928,350,008
  5. Step 5: Solve for x
    x = 10,928,350,008/119,962.80
  6. Step 6: Final answer
    x = 91,097.82

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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.