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Finding the Fourth Proportional to 203,532.96, 304,914.08 and 135,860.94

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Solution

The fourth proportional to 203,532.96, 304,914.08 and 135,860.94 is: 203,534.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,532.96 : 304,914.08 = 135,860.94 : x
  2. Step 2: Convert to fraction form
    203,532.96/304,914.08 = 135,860.94/x
  3. Step 3: Cross multiply
    203,532.96x = 304,914.08 × 135,860.94
  4. Step 4: Simplify right side
    203,532.96x = 41,425,913,103.47
  5. Step 5: Solve for x
    x = 41,425,913,103.47/203,532.96
  6. Step 6: Final answer
    x = 203,534.18

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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.