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Finding the Fourth Proportional to 247,561.65, 371,282.67 and 114,313.77

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Solution

The fourth proportional to 247,561.65, 371,282.67 and 114,313.77 is: 171,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,561.65 : 371,282.67 = 114,313.77 : x
  2. Step 2: Convert to fraction form
    247,561.65/371,282.67 = 114,313.77/x
  3. Step 3: Cross multiply
    247,561.65x = 371,282.67 × 114,313.77
  4. Step 4: Simplify right side
    247,561.65x = 42,442,721,743.37
  5. Step 5: Solve for x
    x = 42,442,721,743.37/247,561.65
  6. Step 6: Final answer
    x = 171,443.04

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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.