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Finding the Fourth Proportional to 61,159.44, 84,380.10 and 35,660.04

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Solution

The fourth proportional to 61,159.44, 84,380.10 and 35,660.04 is: 49,199.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,159.44 : 84,380.10 = 35,660.04 : x
  2. Step 2: Convert to fraction form
    61,159.44/84,380.10 = 35,660.04/x
  3. Step 3: Cross multiply
    61,159.44x = 84,380.10 × 35,660.04
  4. Step 4: Simplify right side
    61,159.44x = 3,008,997,741.20
  5. Step 5: Solve for x
    x = 3,008,997,741.20/61,159.44
  6. Step 6: Final answer
    x = 49,199.24

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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.