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Finding the Fourth Proportional to 125,336.44, 187,960.86 and 50,437.15

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Solution

The fourth proportional to 125,336.44, 187,960.86 and 50,437.15 is: 75,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,336.44 : 187,960.86 = 50,437.15 : x
  2. Step 2: Convert to fraction form
    125,336.44/187,960.86 = 50,437.15/x
  3. Step 3: Cross multiply
    125,336.44x = 187,960.86 × 50,437.15
  4. Step 4: Simplify right side
    125,336.44x = 9,480,210,089.95
  5. Step 5: Solve for x
    x = 9,480,210,089.95/125,336.44
  6. Step 6: Final answer
    x = 75,638.10

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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.