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Finding the Fourth Proportional to 169,515.84, 254,262.48 and 69,650.16

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Solution

The fourth proportional to 169,515.84, 254,262.48 and 69,650.16 is: 104,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,515.84 : 254,262.48 = 69,650.16 : x
  2. Step 2: Convert to fraction form
    169,515.84/254,262.48 = 69,650.16/x
  3. Step 3: Cross multiply
    169,515.84x = 254,262.48 × 69,650.16
  4. Step 4: Simplify right side
    169,515.84x = 17,709,422,414.00
  5. Step 5: Solve for x
    x = 17,709,422,414.00/169,515.84
  6. Step 6: Final answer
    x = 104,470.61

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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.