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Finding the Fourth Proportional to 201,248.03, 301,882.37 and 51,489.61

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Solution

The fourth proportional to 201,248.03, 301,882.37 and 51,489.61 is: 77,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,248.03 : 301,882.37 = 51,489.61 : x
  2. Step 2: Convert to fraction form
    201,248.03/301,882.37 = 51,489.61/x
  3. Step 3: Cross multiply
    201,248.03x = 301,882.37 × 51,489.61
  4. Step 4: Simplify right side
    201,248.03x = 15,543,803,730.32
  5. Step 5: Solve for x
    x = 15,543,803,730.32/201,248.03
  6. Step 6: Final answer
    x = 77,237.05

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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.