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Finding the Fourth Proportional to 201,505.90, 302,269.65 and 61,253.86

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Solution

The fourth proportional to 201,505.90, 302,269.65 and 61,253.86 is: 91,884.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,505.90 : 302,269.65 = 61,253.86 : x
  2. Step 2: Convert to fraction form
    201,505.90/302,269.65 = 61,253.86/x
  3. Step 3: Cross multiply
    201,505.90x = 302,269.65 × 61,253.86
  4. Step 4: Simplify right side
    201,505.90x = 18,515,182,823.35
  5. Step 5: Solve for x
    x = 18,515,182,823.35/201,505.90
  6. Step 6: Final answer
    x = 91,884.07

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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.