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Finding the Fourth Proportional to 68,994.72, 95,154.96 and 42,452.64

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Solution

The fourth proportional to 68,994.72, 95,154.96 and 42,452.64 is: 58,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,994.72 : 95,154.96 = 42,452.64 : x
  2. Step 2: Convert to fraction form
    68,994.72/95,154.96 = 42,452.64/x
  3. Step 3: Cross multiply
    68,994.72x = 95,154.96 × 42,452.64
  4. Step 4: Simplify right side
    68,994.72x = 4,039,579,261.09
  5. Step 5: Solve for x
    x = 4,039,579,261.09/68,994.72
  6. Step 6: Final answer
    x = 58,549.11

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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.