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Finding the Fourth Proportional to 119,957.84, 179,793.62 and 55,829.69

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Solution

The fourth proportional to 119,957.84, 179,793.62 and 55,829.69 is: 83,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,957.84 : 179,793.62 = 55,829.69 : x
  2. Step 2: Convert to fraction form
    119,957.84/179,793.62 = 55,829.69/x
  3. Step 3: Cross multiply
    119,957.84x = 179,793.62 × 55,829.69
  4. Step 4: Simplify right side
    119,957.84x = 10,037,820,890.46
  5. Step 5: Solve for x
    x = 10,037,820,890.46/119,957.84
  6. Step 6: Final answer
    x = 83,677.91

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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.