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Finding the Fourth Proportional to 201,248.43, 301,870.49 and 51,487.53

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Solution

The fourth proportional to 201,248.43, 301,870.49 and 51,487.53 is: 77,230.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,248.43 : 301,870.49 = 51,487.53 : x
  2. Step 2: Convert to fraction form
    201,248.43/301,870.49 = 51,487.53/x
  3. Step 3: Cross multiply
    201,248.43x = 301,870.49 × 51,487.53
  4. Step 4: Simplify right side
    201,248.43x = 15,542,564,143.20
  5. Step 5: Solve for x
    x = 15,542,564,143.20/201,248.43
  6. Step 6: Final answer
    x = 77,230.74

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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.