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Finding the Fourth Proportional to 104,744.16, 157,037.76 and 63,181.44

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Solution

The fourth proportional to 104,744.16, 157,037.76 and 63,181.44 is: 94,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,744.16 : 157,037.76 = 63,181.44 : x
  2. Step 2: Convert to fraction form
    104,744.16/157,037.76 = 63,181.44/x
  3. Step 3: Cross multiply
    104,744.16x = 157,037.76 × 63,181.44
  4. Step 4: Simplify right side
    104,744.16x = 9,921,871,811.17
  5. Step 5: Solve for x
    x = 9,921,871,811.17/104,744.16
  6. Step 6: Final answer
    x = 94,724.82

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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.