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Finding the Fourth Proportional to 119,776.84, 179,683.20 and 38,696.77

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Solution

The fourth proportional to 119,776.84, 179,683.20 and 38,696.77 is: 58,050.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,776.84 : 179,683.20 = 38,696.77 : x
  2. Step 2: Convert to fraction form
    119,776.84/179,683.20 = 38,696.77/x
  3. Step 3: Cross multiply
    119,776.84x = 179,683.20 × 38,696.77
  4. Step 4: Simplify right side
    119,776.84x = 6,953,158,371.36
  5. Step 5: Solve for x
    x = 6,953,158,371.36/119,776.84
  6. Step 6: Final answer
    x = 58,050.94

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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.