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Finding the Fourth Proportional to 201,717.78, 302,624.06 and 113,032.50

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Solution

The fourth proportional to 201,717.78, 302,624.06 and 113,032.50 is: 169,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,717.78 : 302,624.06 = 113,032.50 : x
  2. Step 2: Convert to fraction form
    201,717.78/302,624.06 = 113,032.50/x
  3. Step 3: Cross multiply
    201,717.78x = 302,624.06 × 113,032.50
  4. Step 4: Simplify right side
    201,717.78x = 34,206,354,061.95
  5. Step 5: Solve for x
    x = 34,206,354,061.95/201,717.78
  6. Step 6: Final answer
    x = 169,575.30

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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.