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Finding the Fourth Proportional to 169,528.32, 254,126.88 and 80,758.08

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Solution

The fourth proportional to 169,528.32, 254,126.88 and 80,758.08 is: 121,058.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,528.32 : 254,126.88 = 80,758.08 : x
  2. Step 2: Convert to fraction form
    169,528.32/254,126.88 = 80,758.08/x
  3. Step 3: Cross multiply
    169,528.32x = 254,126.88 × 80,758.08
  4. Step 4: Simplify right side
    169,528.32x = 20,522,798,905.19
  5. Step 5: Solve for x
    x = 20,522,798,905.19/169,528.32
  6. Step 6: Final answer
    x = 121,058.23

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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.