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Finding the Fourth Proportional to 147,650.87, 203,856.26 and 113,599.28

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Solution

The fourth proportional to 147,650.87, 203,856.26 and 113,599.28 is: 156,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,650.87 : 203,856.26 = 113,599.28 : x
  2. Step 2: Convert to fraction form
    147,650.87/203,856.26 = 113,599.28/x
  3. Step 3: Cross multiply
    147,650.87x = 203,856.26 × 113,599.28
  4. Step 4: Simplify right side
    147,650.87x = 23,157,922,772.22
  5. Step 5: Solve for x
    x = 23,157,922,772.22/147,650.87
  6. Step 6: Final answer
    x = 156,842.45

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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.