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Finding the Fourth Proportional to 174,380.64, 240,718.41 and 117,868.56

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Solution

The fourth proportional to 174,380.64, 240,718.41 and 117,868.56 is: 162,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,380.64 : 240,718.41 = 117,868.56 : x
  2. Step 2: Convert to fraction form
    174,380.64/240,718.41 = 117,868.56/x
  3. Step 3: Cross multiply
    174,380.64x = 240,718.41 × 117,868.56
  4. Step 4: Simplify right side
    174,380.64x = 28,373,132,352.19
  5. Step 5: Solve for x
    x = 28,373,132,352.19/174,380.64
  6. Step 6: Final answer
    x = 162,708.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.