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Finding the Fourth Proportional to 98,892.98, 148,328.58 and 27,817.87

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Solution

The fourth proportional to 98,892.98, 148,328.58 and 27,817.87 is: 41,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,892.98 : 148,328.58 = 27,817.87 : x
  2. Step 2: Convert to fraction form
    98,892.98/148,328.58 = 27,817.87/x
  3. Step 3: Cross multiply
    98,892.98x = 148,328.58 × 27,817.87
  4. Step 4: Simplify right side
    98,892.98x = 4,126,185,222.70
  5. Step 5: Solve for x
    x = 4,126,185,222.70/98,892.98
  6. Step 6: Final answer
    x = 41,723.74

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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.