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Finding the Fourth Proportional to 120,970.40, 181,456.00 and 36,731.27

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Solution

The fourth proportional to 120,970.40, 181,456.00 and 36,731.27 is: 55,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,970.40 : 181,456.00 = 36,731.27 : x
  2. Step 2: Convert to fraction form
    120,970.40/181,456.00 = 36,731.27/x
  3. Step 3: Cross multiply
    120,970.40x = 181,456.00 × 36,731.27
  4. Step 4: Simplify right side
    120,970.40x = 6,665,109,690.93
  5. Step 5: Solve for x
    x = 6,665,109,690.93/120,970.40
  6. Step 6: Final answer
    x = 55,097.03

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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.