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Finding the Fourth Proportional to 201,957.02, 302,936.25 and 61,715.06

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Solution

The fourth proportional to 201,957.02, 302,936.25 and 61,715.06 is: 92,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,957.02 : 302,936.25 = 61,715.06 : x
  2. Step 2: Convert to fraction form
    201,957.02/302,936.25 = 61,715.06/x
  3. Step 3: Cross multiply
    201,957.02x = 302,936.25 × 61,715.06
  4. Step 4: Simplify right side
    201,957.02x = 18,695,728,844.93
  5. Step 5: Solve for x
    x = 18,695,728,844.93/201,957.02
  6. Step 6: Final answer
    x = 92,572.81

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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.