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Finding the Fourth Proportional to 119,871.81, 179,816.56 and 34,479.22

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Solution

The fourth proportional to 119,871.81, 179,816.56 and 34,479.22 is: 51,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,871.81 : 179,816.56 = 34,479.22 : x
  2. Step 2: Convert to fraction form
    119,871.81/179,816.56 = 34,479.22/x
  3. Step 3: Cross multiply
    119,871.81x = 179,816.56 × 34,479.22
  4. Step 4: Simplify right side
    119,871.81x = 6,199,934,455.07
  5. Step 5: Solve for x
    x = 6,199,934,455.07/119,871.81
  6. Step 6: Final answer
    x = 51,721.37

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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.