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Finding the Fourth Proportional to 110,141.82, 152,019.36 and 67,135.32

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Solution

The fourth proportional to 110,141.82, 152,019.36 and 67,135.32 is: 92,661.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,141.82 : 152,019.36 = 67,135.32 : x
  2. Step 2: Convert to fraction form
    110,141.82/152,019.36 = 67,135.32/x
  3. Step 3: Cross multiply
    110,141.82x = 152,019.36 × 67,135.32
  4. Step 4: Simplify right side
    110,141.82x = 10,205,868,379.80
  5. Step 5: Solve for x
    x = 10,205,868,379.80/110,141.82
  6. Step 6: Final answer
    x = 92,661.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.