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Finding the Fourth Proportional to 72,822.95, 109,094.49 and 44,660.90

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Solution

The fourth proportional to 72,822.95, 109,094.49 and 44,660.90 is: 66,905.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,822.95 : 109,094.49 = 44,660.90 : x
  2. Step 2: Convert to fraction form
    72,822.95/109,094.49 = 44,660.90/x
  3. Step 3: Cross multiply
    72,822.95x = 109,094.49 × 44,660.90
  4. Step 4: Simplify right side
    72,822.95x = 4,872,257,339.66
  5. Step 5: Solve for x
    x = 4,872,257,339.66/72,822.95
  6. Step 6: Final answer
    x = 66,905.52

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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.