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Finding the Fourth Proportional to 119,371.66, 179,059.55 and 40,487.92

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Solution

The fourth proportional to 119,371.66, 179,059.55 and 40,487.92 is: 60,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,371.66 : 179,059.55 = 40,487.92 : x
  2. Step 2: Convert to fraction form
    119,371.66/179,059.55 = 40,487.92/x
  3. Step 3: Cross multiply
    119,371.66x = 179,059.55 × 40,487.92
  4. Step 4: Simplify right side
    119,371.66x = 7,249,748,085.55
  5. Step 5: Solve for x
    x = 7,249,748,085.55/119,371.66
  6. Step 6: Final answer
    x = 60,732.57

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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.