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Finding the Fourth Proportional to 169,517.84, 254,265.48 and 69,652.16

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Solution

The fourth proportional to 169,517.84, 254,265.48 and 69,652.16 is: 104,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,517.84 : 254,265.48 = 69,652.16 : x
  2. Step 2: Convert to fraction form
    169,517.84/254,265.48 = 69,652.16/x
  3. Step 3: Cross multiply
    169,517.84x = 254,265.48 × 69,652.16
  4. Step 4: Simplify right side
    169,517.84x = 17,710,139,895.44
  5. Step 5: Solve for x
    x = 17,710,139,895.44/169,517.84
  6. Step 6: Final answer
    x = 104,473.61

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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.