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Finding the Fourth Proportional to 91,141.63, 136,773.19 and 35,028.07

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Solution

The fourth proportional to 91,141.63, 136,773.19 and 35,028.07 is: 52,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,141.63 : 136,773.19 = 35,028.07 : x
  2. Step 2: Convert to fraction form
    91,141.63/136,773.19 = 35,028.07/x
  3. Step 3: Cross multiply
    91,141.63x = 136,773.19 × 35,028.07
  4. Step 4: Simplify right side
    91,141.63x = 4,790,900,873.44
  5. Step 5: Solve for x
    x = 4,790,900,873.44/91,141.63
  6. Step 6: Final answer
    x = 52,565.45

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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.