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Finding the Fourth Proportional to 65,801.65, 98,753.23 and 48,972.68

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Solution

The fourth proportional to 65,801.65, 98,753.23 and 48,972.68 is: 73,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,801.65 : 98,753.23 = 48,972.68 : x
  2. Step 2: Convert to fraction form
    65,801.65/98,753.23 = 48,972.68/x
  3. Step 3: Cross multiply
    65,801.65x = 98,753.23 × 48,972.68
  4. Step 4: Simplify right side
    65,801.65x = 4,836,210,331.76
  5. Step 5: Solve for x
    x = 4,836,210,331.76/65,801.65
  6. Step 6: Final answer
    x = 73,496.80

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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.