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Finding the Fourth Proportional to 117,270.68, 175,904.54 and 28,524.24

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Solution

The fourth proportional to 117,270.68, 175,904.54 and 28,524.24 is: 42,786.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,270.68 : 175,904.54 = 28,524.24 : x
  2. Step 2: Convert to fraction form
    117,270.68/175,904.54 = 28,524.24/x
  3. Step 3: Cross multiply
    117,270.68x = 175,904.54 × 28,524.24
  4. Step 4: Simplify right side
    117,270.68x = 5,017,543,173.43
  5. Step 5: Solve for x
    x = 5,017,543,173.43/117,270.68
  6. Step 6: Final answer
    x = 42,786.00

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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.