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Finding the Fourth Proportional to 120,893.52, 181,340.22 and 37,787.52

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Solution

The fourth proportional to 120,893.52, 181,340.22 and 37,787.52 is: 56,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,893.52 : 181,340.22 = 37,787.52 : x
  2. Step 2: Convert to fraction form
    120,893.52/181,340.22 = 37,787.52/x
  3. Step 3: Cross multiply
    120,893.52x = 181,340.22 × 37,787.52
  4. Step 4: Simplify right side
    120,893.52x = 6,852,397,190.05
  5. Step 5: Solve for x
    x = 6,852,397,190.05/120,893.52
  6. Step 6: Final answer
    x = 56,681.26

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1.5x scale

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.