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Finding the Fourth Proportional to 64,121.97, 88,492.90 and 35,441.02

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Solution

The fourth proportional to 64,121.97, 88,492.90 and 35,441.02 is: 48,911.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,121.97 : 88,492.90 = 35,441.02 : x
  2. Step 2: Convert to fraction form
    64,121.97/88,492.90 = 35,441.02/x
  3. Step 3: Cross multiply
    64,121.97x = 88,492.90 × 35,441.02
  4. Step 4: Simplify right side
    64,121.97x = 3,136,278,378.66
  5. Step 5: Solve for x
    x = 3,136,278,378.66/64,121.97
  6. Step 6: Final answer
    x = 48,911.14

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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.