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Finding the Fourth Proportional to 201,496.18, 302,233.32 and 61,243.86

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Solution

The fourth proportional to 201,496.18, 302,233.32 and 61,243.86 is: 91,862.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,496.18 : 302,233.32 = 61,243.86 : x
  2. Step 2: Convert to fraction form
    201,496.18/302,233.32 = 61,243.86/x
  3. Step 3: Cross multiply
    201,496.18x = 302,233.32 × 61,243.86
  4. Step 4: Simplify right side
    201,496.18x = 18,509,935,137.42
  5. Step 5: Solve for x
    x = 18,509,935,137.42/201,496.18
  6. Step 6: Final answer
    x = 91,862.46

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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.