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Finding the Fourth Proportional to 73,009.65, 109,520.63 and 23,088.65

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Solution

The fourth proportional to 73,009.65, 109,520.63 and 23,088.65 is: 34,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,009.65 : 109,520.63 = 23,088.65 : x
  2. Step 2: Convert to fraction form
    73,009.65/109,520.63 = 23,088.65/x
  3. Step 3: Cross multiply
    73,009.65x = 109,520.63 × 23,088.65
  4. Step 4: Simplify right side
    73,009.65x = 2,528,682,982.32
  5. Step 5: Solve for x
    x = 2,528,682,982.32/73,009.65
  6. Step 6: Final answer
    x = 34,634.91

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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.