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Finding the Fourth Proportional to 202,373.16, 303,555.55 and 67,447.01

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Solution

The fourth proportional to 202,373.16, 303,555.55 and 67,447.01 is: 101,169.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,373.16 : 303,555.55 = 67,447.01 : x
  2. Step 2: Convert to fraction form
    202,373.16/303,555.55 = 67,447.01/x
  3. Step 3: Cross multiply
    202,373.16x = 303,555.55 × 67,447.01
  4. Step 4: Simplify right side
    202,373.16x = 20,473,914,216.41
  5. Step 5: Solve for x
    x = 20,473,914,216.41/202,373.16
  6. Step 6: Final answer
    x = 101,169.12

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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.