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Finding the Fourth Proportional to 64,120.98, 88,487.19 and 35,827.14

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Solution

The fourth proportional to 64,120.98, 88,487.19 and 35,827.14 is: 49,441.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,120.98 : 88,487.19 = 35,827.14 : x
  2. Step 2: Convert to fraction form
    64,120.98/88,487.19 = 35,827.14/x
  3. Step 3: Cross multiply
    64,120.98x = 88,487.19 × 35,827.14
  4. Step 4: Simplify right side
    64,120.98x = 3,170,242,944.34
  5. Step 5: Solve for x
    x = 3,170,242,944.34/64,120.98
  6. Step 6: Final answer
    x = 49,441.59

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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.