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Finding the Fourth Proportional to 98,164.44, 135,463.22 and 59,987.82

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Solution

The fourth proportional to 98,164.44, 135,463.22 and 59,987.82 is: 82,780.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,164.44 : 135,463.22 = 59,987.82 : x
  2. Step 2: Convert to fraction form
    98,164.44/135,463.22 = 59,987.82/x
  3. Step 3: Cross multiply
    98,164.44x = 135,463.22 × 59,987.82
  4. Step 4: Simplify right side
    98,164.44x = 8,126,143,690.98
  5. Step 5: Solve for x
    x = 8,126,143,690.98/98,164.44
  6. Step 6: Final answer
    x = 82,780.93

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1.5x scale

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.