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Finding the Fourth Proportional to 119,875.54, 179,670.31 and 55,747.11

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Solution

The fourth proportional to 119,875.54, 179,670.31 and 55,747.11 is: 83,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,875.54 : 179,670.31 = 55,747.11 : x
  2. Step 2: Convert to fraction form
    119,875.54/179,670.31 = 55,747.11/x
  3. Step 3: Cross multiply
    119,875.54x = 179,670.31 × 55,747.11
  4. Step 4: Simplify right side
    119,875.54x = 10,016,100,256.57
  5. Step 5: Solve for x
    x = 10,016,100,256.57/119,875.54
  6. Step 6: Final answer
    x = 83,554.17

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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.