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Finding the Fourth Proportional to 201,734.80, 302,602.20 and 113,261.20

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Solution

The fourth proportional to 201,734.80, 302,602.20 and 113,261.20 is: 169,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,734.80 : 302,602.20 = 113,261.20 : x
  2. Step 2: Convert to fraction form
    201,734.80/302,602.20 = 113,261.20/x
  3. Step 3: Cross multiply
    201,734.80x = 302,602.20 × 113,261.20
  4. Step 4: Simplify right side
    201,734.80x = 34,273,088,294.64
  5. Step 5: Solve for x
    x = 34,273,088,294.64/201,734.80
  6. Step 6: Final answer
    x = 169,891.80

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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.