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Finding the Fourth Proportional to 201,449.70, 302,141.69 and 59,261.71

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Solution

The fourth proportional to 201,449.70, 302,141.69 and 59,261.71 is: 88,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,449.70 : 302,141.69 = 59,261.71 : x
  2. Step 2: Convert to fraction form
    201,449.70/302,141.69 = 59,261.71/x
  3. Step 3: Cross multiply
    201,449.70x = 302,141.69 × 59,261.71
  4. Step 4: Simplify right side
    201,449.70x = 17,905,433,211.69
  5. Step 5: Solve for x
    x = 17,905,433,211.69/201,449.70
  6. Step 6: Final answer
    x = 88,882.90

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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.