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Finding the Fourth Proportional to 201,647.52, 302,448.24 and 53,915.04

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Solution

The fourth proportional to 201,647.52, 302,448.24 and 53,915.04 is: 80,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,647.52 : 302,448.24 = 53,915.04 : x
  2. Step 2: Convert to fraction form
    201,647.52/302,448.24 = 53,915.04/x
  3. Step 3: Cross multiply
    201,647.52x = 302,448.24 × 53,915.04
  4. Step 4: Simplify right side
    201,647.52x = 16,306,508,957.53
  5. Step 5: Solve for x
    x = 16,306,508,957.53/201,647.52
  6. Step 6: Final answer
    x = 80,866.40

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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.