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Finding the Fourth Proportional to 185,211.72, 277,856.46 and 60,543

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Solution

The fourth proportional to 185,211.72, 277,856.46 and 60,543 is: 90,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,211.72 : 277,856.46 = 60,543 : x
  2. Step 2: Convert to fraction form
    185,211.72/277,856.46 = 60,543/x
  3. Step 3: Cross multiply
    185,211.72x = 277,856.46 × 60,543
  4. Step 4: Simplify right side
    185,211.72x = 16,822,263,657.78
  5. Step 5: Solve for x
    x = 16,822,263,657.78/185,211.72
  6. Step 6: Final answer
    x = 90,827.21

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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.