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Finding the Fourth Proportional to 202,078.17, 303,219.45 and 134,656.11

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Solution

The fourth proportional to 202,078.17, 303,219.45 and 134,656.11 is: 202,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,078.17 : 303,219.45 = 134,656.11 : x
  2. Step 2: Convert to fraction form
    202,078.17/303,219.45 = 134,656.11/x
  3. Step 3: Cross multiply
    202,078.17x = 303,219.45 × 134,656.11
  4. Step 4: Simplify right side
    202,078.17x = 40,830,351,613.34
  5. Step 5: Solve for x
    x = 40,830,351,613.34/202,078.17
  6. Step 6: Final answer
    x = 202,052.26

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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.