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Finding the Fourth Proportional to 159,718.32, 220,426.74 and 119,362.10

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Solution

The fourth proportional to 159,718.32, 220,426.74 and 119,362.10 is: 164,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,718.32 : 220,426.74 = 119,362.10 : x
  2. Step 2: Convert to fraction form
    159,718.32/220,426.74 = 119,362.10/x
  3. Step 3: Cross multiply
    159,718.32x = 220,426.74 × 119,362.10
  4. Step 4: Simplify right side
    159,718.32x = 26,310,597,480.42
  5. Step 5: Solve for x
    x = 26,310,597,480.42/159,718.32
  6. Step 6: Final answer
    x = 164,731.24

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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.