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Finding the Fourth Proportional to 185,179.80, 277,769.70 and 52,064.40

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Solution

The fourth proportional to 185,179.80, 277,769.70 and 52,064.40 is: 78,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,179.80 : 277,769.70 = 52,064.40 : x
  2. Step 2: Convert to fraction form
    185,179.80/277,769.70 = 52,064.40/x
  3. Step 3: Cross multiply
    185,179.80x = 277,769.70 × 52,064.40
  4. Step 4: Simplify right side
    185,179.80x = 14,461,912,768.68
  5. Step 5: Solve for x
    x = 14,461,912,768.68/185,179.80
  6. Step 6: Final answer
    x = 78,096.60

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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.