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Finding the Fourth Proportional to 180,002.69, 269,993.03 and 74,822.57

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Solution

The fourth proportional to 180,002.69, 269,993.03 and 74,822.57 is: 112,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,002.69 : 269,993.03 = 74,822.57 : x
  2. Step 2: Convert to fraction form
    180,002.69/269,993.03 = 74,822.57/x
  3. Step 3: Cross multiply
    180,002.69x = 269,993.03 × 74,822.57
  4. Step 4: Simplify right side
    180,002.69x = 20,201,572,095.96
  5. Step 5: Solve for x
    x = 20,201,572,095.96/180,002.69
  6. Step 6: Final answer
    x = 112,229.28

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1.5x scale

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.