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Finding the Fourth Proportional to 64,402.21, 88,856.87 and 41,742.15

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Solution

The fourth proportional to 64,402.21, 88,856.87 and 41,742.15 is: 57,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,402.21 : 88,856.87 = 41,742.15 : x
  2. Step 2: Convert to fraction form
    64,402.21/88,856.87 = 41,742.15/x
  3. Step 3: Cross multiply
    64,402.21x = 88,856.87 × 41,742.15
  4. Step 4: Simplify right side
    64,402.21x = 3,709,076,753.97
  5. Step 5: Solve for x
    x = 3,709,076,753.97/64,402.21
  6. Step 6: Final answer
    x = 57,592.39

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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.