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Finding the Fourth Proportional to 158,551.92, 218,756.16 and 104,817.33

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Solution

The fourth proportional to 158,551.92, 218,756.16 and 104,817.33 is: 144,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,551.92 : 218,756.16 = 104,817.33 : x
  2. Step 2: Convert to fraction form
    158,551.92/218,756.16 = 104,817.33/x
  3. Step 3: Cross multiply
    158,551.92x = 218,756.16 × 104,817.33
  4. Step 4: Simplify right side
    158,551.92x = 22,929,436,612.25
  5. Step 5: Solve for x
    x = 22,929,436,612.25/158,551.92
  6. Step 6: Final answer
    x = 144,617.84

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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.