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Finding the Fourth Proportional to 201,920.65, 302,924.07 and 100,773.11

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Solution

The fourth proportional to 201,920.65, 302,924.07 and 100,773.11 is: 151,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,920.65 : 302,924.07 = 100,773.11 : x
  2. Step 2: Convert to fraction form
    201,920.65/302,924.07 = 100,773.11/x
  3. Step 3: Cross multiply
    201,920.65x = 302,924.07 × 100,773.11
  4. Step 4: Simplify right side
    201,920.65x = 30,526,600,627.76
  5. Step 5: Solve for x
    x = 30,526,600,627.76/201,920.65
  6. Step 6: Final answer
    x = 151,181.17

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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.