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Finding the Fourth Proportional to 71,623.78, 107,448.90 and 23,595.10

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Solution

The fourth proportional to 71,623.78, 107,448.90 and 23,595.10 is: 35,397.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,623.78 : 107,448.90 = 23,595.10 : x
  2. Step 2: Convert to fraction form
    71,623.78/107,448.90 = 23,595.10/x
  3. Step 3: Cross multiply
    71,623.78x = 107,448.90 × 23,595.10
  4. Step 4: Simplify right side
    71,623.78x = 2,535,267,183.29
  5. Step 5: Solve for x
    x = 2,535,267,183.29/71,623.78
  6. Step 6: Final answer
    x = 35,397.00

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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.