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Finding the Fourth Proportional to 159,138.97, 219,607.61 and 94,608.32

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Solution

The fourth proportional to 159,138.97, 219,607.61 and 94,608.32 is: 130,557.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,138.97 : 219,607.61 = 94,608.32 : x
  2. Step 2: Convert to fraction form
    159,138.97/219,607.61 = 94,608.32/x
  3. Step 3: Cross multiply
    159,138.97x = 219,607.61 × 94,608.32
  4. Step 4: Simplify right side
    159,138.97x = 20,776,705,470.24
  5. Step 5: Solve for x
    x = 20,776,705,470.24/159,138.97
  6. Step 6: Final answer
    x = 130,557.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.