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Finding the Fourth Proportional to 72,703.08, 109,054.48 and 22,787.02

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Solution

The fourth proportional to 72,703.08, 109,054.48 and 22,787.02 is: 34,180.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,703.08 : 109,054.48 = 22,787.02 : x
  2. Step 2: Convert to fraction form
    72,703.08/109,054.48 = 22,787.02/x
  3. Step 3: Cross multiply
    72,703.08x = 109,054.48 × 22,787.02
  4. Step 4: Simplify right side
    72,703.08x = 2,485,026,616.85
  5. Step 5: Solve for x
    x = 2,485,026,616.85/72,703.08
  6. Step 6: Final answer
    x = 34,180.49

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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.