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Finding the Fourth Proportional to 95,903.64, 143,856.80 and 36,742.32

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Solution

The fourth proportional to 95,903.64, 143,856.80 and 36,742.32 is: 55,113.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,903.64 : 143,856.80 = 36,742.32 : x
  2. Step 2: Convert to fraction form
    95,903.64/143,856.80 = 36,742.32/x
  3. Step 3: Cross multiply
    95,903.64x = 143,856.80 × 36,742.32
  4. Step 4: Simplify right side
    95,903.64x = 5,285,632,579.78
  5. Step 5: Solve for x
    x = 5,285,632,579.78/95,903.64
  6. Step 6: Final answer
    x = 55,113.99

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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.