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Finding the Fourth Proportional to 113,353, 169,796.14 and 66,492.88

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Solution

The fourth proportional to 113,353, 169,796.14 and 66,492.88 is: 99,602.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,353 : 169,796.14 = 66,492.88 : x
  2. Step 2: Convert to fraction form
    113,353/169,796.14 = 66,492.88/x
  3. Step 3: Cross multiply
    113,353x = 169,796.14 × 66,492.88
  4. Step 4: Simplify right side
    113,353x = 11,290,234,361.48
  5. Step 5: Solve for x
    x = 11,290,234,361.48/113,353
  6. Step 6: Final answer
    x = 99,602.43

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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.