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Finding the Fourth Proportional to 185,991.92, 279,066.87 and 101,653.53

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Solution

The fourth proportional to 185,991.92, 279,066.87 and 101,653.53 is: 152,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,991.92 : 279,066.87 = 101,653.53 : x
  2. Step 2: Convert to fraction form
    185,991.92/279,066.87 = 101,653.53/x
  3. Step 3: Cross multiply
    185,991.92x = 279,066.87 × 101,653.53
  4. Step 4: Simplify right side
    185,991.92x = 28,368,132,964.80
  5. Step 5: Solve for x
    x = 28,368,132,964.80/185,991.92
  6. Step 6: Final answer
    x = 152,523.47

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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.