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Finding the Fourth Proportional to 201,665.92, 302,685.91 and 101,896.18

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Solution

The fourth proportional to 201,665.92, 302,685.91 and 101,896.18 is: 152,938.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,665.92 : 302,685.91 = 101,896.18 : x
  2. Step 2: Convert to fraction form
    201,665.92/302,685.91 = 101,896.18/x
  3. Step 3: Cross multiply
    201,665.92x = 302,685.91 × 101,896.18
  4. Step 4: Simplify right side
    201,665.92x = 30,842,537,530.53
  5. Step 5: Solve for x
    x = 30,842,537,530.53/201,665.92
  6. Step 6: Final answer
    x = 152,938.77

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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.