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Finding the Fourth Proportional to 158,499.44, 218,751.65 and 98,089.56

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Solution

The fourth proportional to 158,499.44, 218,751.65 and 98,089.56 is: 135,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,499.44 : 218,751.65 = 98,089.56 : x
  2. Step 2: Convert to fraction form
    158,499.44/218,751.65 = 98,089.56/x
  3. Step 3: Cross multiply
    158,499.44x = 218,751.65 × 98,089.56
  4. Step 4: Simplify right side
    158,499.44x = 21,457,252,607.33
  5. Step 5: Solve for x
    x = 21,457,252,607.33/158,499.44
  6. Step 6: Final answer
    x = 135,377.47

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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.