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Finding the Fourth Proportional to 73,549.98, 101,380.95 and 49,669.02

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Solution

The fourth proportional to 73,549.98, 101,380.95 and 49,669.02 is: 68,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,549.98 : 101,380.95 = 49,669.02 : x
  2. Step 2: Convert to fraction form
    73,549.98/101,380.95 = 49,669.02/x
  3. Step 3: Cross multiply
    73,549.98x = 101,380.95 × 49,669.02
  4. Step 4: Simplify right side
    73,549.98x = 5,035,492,433.17
  5. Step 5: Solve for x
    x = 5,035,492,433.17/73,549.98
  6. Step 6: Final answer
    x = 68,463.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.