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Finding the Fourth Proportional to 185,880.87, 278,820.76 and 52,761.25

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Solution

The fourth proportional to 185,880.87, 278,820.76 and 52,761.25 is: 79,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,880.87 : 278,820.76 = 52,761.25 : x
  2. Step 2: Convert to fraction form
    185,880.87/278,820.76 = 52,761.25/x
  3. Step 3: Cross multiply
    185,880.87x = 278,820.76 × 52,761.25
  4. Step 4: Simplify right side
    185,880.87x = 14,710,931,823.55
  5. Step 5: Solve for x
    x = 14,710,931,823.55/185,880.87
  6. Step 6: Final answer
    x = 79,141.72

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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.