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Finding the Fourth Proportional to 169,620.64, 254,424.48 and 69,753.04

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Solution

The fourth proportional to 169,620.64, 254,424.48 and 69,753.04 is: 104,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,620.64 : 254,424.48 = 69,753.04 : x
  2. Step 2: Convert to fraction form
    169,620.64/254,424.48 = 69,753.04/x
  3. Step 3: Cross multiply
    169,620.64x = 254,424.48 × 69,753.04
  4. Step 4: Simplify right side
    169,620.64x = 17,746,880,930.42
  5. Step 5: Solve for x
    x = 17,746,880,930.42/169,620.64
  6. Step 6: Final answer
    x = 104,626.90

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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.