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Finding the Fourth Proportional to 117,234.14, 175,850.75 and 28,487.90

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Solution

The fourth proportional to 117,234.14, 175,850.75 and 28,487.90 is: 42,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,234.14 : 175,850.75 = 28,487.90 : x
  2. Step 2: Convert to fraction form
    117,234.14/175,850.75 = 28,487.90/x
  3. Step 3: Cross multiply
    117,234.14x = 175,850.75 × 28,487.90
  4. Step 4: Simplify right side
    117,234.14x = 5,009,618,931.53
  5. Step 5: Solve for x
    x = 5,009,618,931.53/117,234.14
  6. Step 6: Final answer
    x = 42,731.74

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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.