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Finding the Fourth Proportional to 207,022.59, 310,590.45 and 73,916.37

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Solution

The fourth proportional to 207,022.59, 310,590.45 and 73,916.37 is: 110,894.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,022.59 : 310,590.45 = 73,916.37 : x
  2. Step 2: Convert to fraction form
    207,022.59/310,590.45 = 73,916.37/x
  3. Step 3: Cross multiply
    207,022.59x = 310,590.45 × 73,916.37
  4. Step 4: Simplify right side
    207,022.59x = 22,957,718,620.67
  5. Step 5: Solve for x
    x = 22,957,718,620.67/207,022.59
  6. Step 6: Final answer
    x = 110,894.75

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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.