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Finding the Fourth Proportional to 185,281.28, 277,918.08 and 45,040.64

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Solution

The fourth proportional to 185,281.28, 277,918.08 and 45,040.64 is: 67,560.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,281.28 : 277,918.08 = 45,040.64 : x
  2. Step 2: Convert to fraction form
    185,281.28/277,918.08 = 45,040.64/x
  3. Step 3: Cross multiply
    185,281.28x = 277,918.08 × 45,040.64
  4. Step 4: Simplify right side
    185,281.28x = 12,517,608,190.77
  5. Step 5: Solve for x
    x = 12,517,608,190.77/185,281.28
  6. Step 6: Final answer
    x = 67,560.03

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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.