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Finding the Fourth Proportional to 201,612.65, 302,462.71 and 61,367.63

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Solution

The fourth proportional to 201,612.65, 302,462.71 and 61,367.63 is: 92,064.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,612.65 : 302,462.71 = 61,367.63 : x
  2. Step 2: Convert to fraction form
    201,612.65/302,462.71 = 61,367.63/x
  3. Step 3: Cross multiply
    201,612.65x = 302,462.71 × 61,367.63
  4. Step 4: Simplify right side
    201,612.65x = 18,561,418,010.34
  5. Step 5: Solve for x
    x = 18,561,418,010.34/201,612.65
  6. Step 6: Final answer
    x = 92,064.75

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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.