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Finding the Fourth Proportional to 185,281.13, 277,919.67 and 45,039.89

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Solution

The fourth proportional to 185,281.13, 277,919.67 and 45,039.89 is: 67,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,281.13 : 277,919.67 = 45,039.89 : x
  2. Step 2: Convert to fraction form
    185,281.13/277,919.67 = 45,039.89/x
  3. Step 3: Cross multiply
    185,281.13x = 277,919.67 × 45,039.89
  4. Step 4: Simplify right side
    185,281.13x = 12,517,471,365.64
  5. Step 5: Solve for x
    x = 12,517,471,365.64/185,281.13
  6. Step 6: Final answer
    x = 67,559.34

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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.