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Finding the Fourth Proportional to 201,159.45, 301,247.10 and 95,855.40

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Solution

The fourth proportional to 201,159.45, 301,247.10 and 95,855.40 is: 143,548.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,159.45 : 301,247.10 = 95,855.40 : x
  2. Step 2: Convert to fraction form
    201,159.45/301,247.10 = 95,855.40/x
  3. Step 3: Cross multiply
    201,159.45x = 301,247.10 × 95,855.40
  4. Step 4: Simplify right side
    201,159.45x = 28,876,161,269.34
  5. Step 5: Solve for x
    x = 28,876,161,269.34/201,159.45
  6. Step 6: Final answer
    x = 143,548.62

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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.