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Finding the Fourth Proportional to 185,179.51, 277,642.92 and 89,065.99

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Solution

The fourth proportional to 185,179.51, 277,642.92 and 89,065.99 is: 133,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,179.51 : 277,642.92 = 89,065.99 : x
  2. Step 2: Convert to fraction form
    185,179.51/277,642.92 = 89,065.99/x
  3. Step 3: Cross multiply
    185,179.51x = 277,642.92 × 89,065.99
  4. Step 4: Simplify right side
    185,179.51x = 24,728,541,536.29
  5. Step 5: Solve for x
    x = 24,728,541,536.29/185,179.51
  6. Step 6: Final answer
    x = 133,538.22

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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.