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Finding the Fourth Proportional to 201,088.78, 301,173.80 and 95,981.56

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Solution

The fourth proportional to 201,088.78, 301,173.80 and 95,981.56 is: 143,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,088.78 : 301,173.80 = 95,981.56 : x
  2. Step 2: Convert to fraction form
    201,088.78/301,173.80 = 95,981.56/x
  3. Step 3: Cross multiply
    201,088.78x = 301,173.80 × 95,981.56
  4. Step 4: Simplify right side
    201,088.78x = 28,907,129,922.29
  5. Step 5: Solve for x
    x = 28,907,129,922.29/201,088.78
  6. Step 6: Final answer
    x = 143,753.07

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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.