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Finding the Fourth Proportional to 201,890.67, 302,447.90 and 112,874.22

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Solution

The fourth proportional to 201,890.67, 302,447.90 and 112,874.22 is: 169,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,890.67 : 302,447.90 = 112,874.22 : x
  2. Step 2: Convert to fraction form
    201,890.67/302,447.90 = 112,874.22/x
  3. Step 3: Cross multiply
    201,890.67x = 302,447.90 × 112,874.22
  4. Step 4: Simplify right side
    201,890.67x = 34,138,570,803.14
  5. Step 5: Solve for x
    x = 34,138,570,803.14/201,890.67
  6. Step 6: Final answer
    x = 169,094.35

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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.