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Finding the Fourth Proportional to 201,504.90, 302,268.15 and 61,252.86

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Solution

The fourth proportional to 201,504.90, 302,268.15 and 61,252.86 is: 91,882.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,504.90 : 302,268.15 = 61,252.86 : x
  2. Step 2: Convert to fraction form
    201,504.90/302,268.15 = 61,252.86/x
  3. Step 3: Cross multiply
    201,504.90x = 302,268.15 × 61,252.86
  4. Step 4: Simplify right side
    201,504.90x = 18,514,788,674.41
  5. Step 5: Solve for x
    x = 18,514,788,674.41/201,504.90
  6. Step 6: Final answer
    x = 91,882.57

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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.