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Finding the Fourth Proportional to 101,364.70, 152,032.65 and 31,251.10

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Solution

The fourth proportional to 101,364.70, 152,032.65 and 31,251.10 is: 46,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,364.70 : 152,032.65 = 31,251.10 : x
  2. Step 2: Convert to fraction form
    101,364.70/152,032.65 = 31,251.10/x
  3. Step 3: Cross multiply
    101,364.70x = 152,032.65 × 31,251.10
  4. Step 4: Simplify right side
    101,364.70x = 4,751,187,548.42
  5. Step 5: Solve for x
    x = 4,751,187,548.42/101,364.70
  6. Step 6: Final answer
    x = 46,872.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.