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Finding the Fourth Proportional to 169,758.64, 234,271.96 and 98,132.32

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Solution

The fourth proportional to 169,758.64, 234,271.96 and 98,132.32 is: 135,425.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,758.64 : 234,271.96 = 98,132.32 : x
  2. Step 2: Convert to fraction form
    169,758.64/234,271.96 = 98,132.32/x
  3. Step 3: Cross multiply
    169,758.64x = 234,271.96 × 98,132.32
  4. Step 4: Simplify right side
    169,758.64x = 22,989,650,945.75
  5. Step 5: Solve for x
    x = 22,989,650,945.75/169,758.64
  6. Step 6: Final answer
    x = 135,425.51

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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.