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Finding the Fourth Proportional to 201,452.76, 302,042.82 and 112,767.48

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Solution

The fourth proportional to 201,452.76, 302,042.82 and 112,767.48 is: 169,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,452.76 : 302,042.82 = 112,767.48 : x
  2. Step 2: Convert to fraction form
    201,452.76/302,042.82 = 112,767.48/x
  3. Step 3: Cross multiply
    201,452.76x = 302,042.82 × 112,767.48
  4. Step 4: Simplify right side
    201,452.76x = 34,060,607,663.49
  5. Step 5: Solve for x
    x = 34,060,607,663.49/201,452.76
  6. Step 6: Final answer
    x = 169,074.91

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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.