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Finding the Fourth Proportional to 113,793.87, 157,035.44 and 63,492.87

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Solution

The fourth proportional to 113,793.87, 157,035.44 and 63,492.87 is: 87,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,793.87 : 157,035.44 = 63,492.87 : x
  2. Step 2: Convert to fraction form
    113,793.87/157,035.44 = 63,492.87/x
  3. Step 3: Cross multiply
    113,793.87x = 157,035.44 × 63,492.87
  4. Step 4: Simplify right side
    113,793.87x = 9,970,630,936.04
  5. Step 5: Solve for x
    x = 9,970,630,936.04/113,793.87
  6. Step 6: Final answer
    x = 87,620.11

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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.