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Finding the Fourth Proportional to 63,181.83, 87,159.44 and 37,670.21

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Solution

The fourth proportional to 63,181.83, 87,159.44 and 37,670.21 is: 51,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,181.83 : 87,159.44 = 37,670.21 : x
  2. Step 2: Convert to fraction form
    63,181.83/87,159.44 = 37,670.21/x
  3. Step 3: Cross multiply
    63,181.83x = 87,159.44 × 37,670.21
  4. Step 4: Simplify right side
    63,181.83x = 3,283,313,784.13
  5. Step 5: Solve for x
    x = 3,283,313,784.13/63,181.83
  6. Step 6: Final answer
    x = 51,966.11

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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.