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Finding the Fourth Proportional to 201,617.09, 302,425.21 and 59,562.11

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Solution

The fourth proportional to 201,617.09, 302,425.21 and 59,562.11 is: 89,343.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,617.09 : 302,425.21 = 59,562.11 : x
  2. Step 2: Convert to fraction form
    201,617.09/302,425.21 = 59,562.11/x
  3. Step 3: Cross multiply
    201,617.09x = 302,425.21 × 59,562.11
  4. Step 4: Simplify right side
    201,617.09x = 18,013,081,814.86
  5. Step 5: Solve for x
    x = 18,013,081,814.86/201,617.09
  6. Step 6: Final answer
    x = 89,343.03

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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.