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Finding the Fourth Proportional to 105,550.68, 158,330.88 and 58,768.32

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Solution

The fourth proportional to 105,550.68, 158,330.88 and 58,768.32 is: 88,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,550.68 : 158,330.88 = 58,768.32 : x
  2. Step 2: Convert to fraction form
    105,550.68/158,330.88 = 58,768.32/x
  3. Step 3: Cross multiply
    105,550.68x = 158,330.88 × 58,768.32
  4. Step 4: Simplify right side
    105,550.68x = 9,304,839,821.72
  5. Step 5: Solve for x
    x = 9,304,839,821.72/105,550.68
  6. Step 6: Final answer
    x = 88,155.19

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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.