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Finding the Fourth Proportional to 202,125.90, 302,751.45 and 108,522.30

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Solution

The fourth proportional to 202,125.90, 302,751.45 and 108,522.30 is: 162,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,125.90 : 302,751.45 = 108,522.30 : x
  2. Step 2: Convert to fraction form
    202,125.90/302,751.45 = 108,522.30/x
  3. Step 3: Cross multiply
    202,125.90x = 302,751.45 × 108,522.30
  4. Step 4: Simplify right side
    202,125.90x = 32,855,283,682.34
  5. Step 5: Solve for x
    x = 32,855,283,682.34/202,125.90
  6. Step 6: Final answer
    x = 162,548.61

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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.