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Finding the Fourth Proportional to 312,181.04, 467,863.28 and 125,323.76

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Solution

The fourth proportional to 312,181.04, 467,863.28 and 125,323.76 is: 187,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,181.04 : 467,863.28 = 125,323.76 : x
  2. Step 2: Convert to fraction form
    312,181.04/467,863.28 = 125,323.76/x
  3. Step 3: Cross multiply
    312,181.04x = 467,863.28 × 125,323.76
  4. Step 4: Simplify right side
    312,181.04x = 58,634,385,415.53
  5. Step 5: Solve for x
    x = 58,634,385,415.53/312,181.04
  6. Step 6: Final answer
    x = 187,821.74

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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.