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Finding the Fourth Proportional to 63,422.03, 87,323.22 and 53,842.07

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Solution

The fourth proportional to 63,422.03, 87,323.22 and 53,842.07 is: 74,132.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,422.03 : 87,323.22 = 53,842.07 : x
  2. Step 2: Convert to fraction form
    63,422.03/87,323.22 = 53,842.07/x
  3. Step 3: Cross multiply
    63,422.03x = 87,323.22 × 53,842.07
  4. Step 4: Simplify right side
    63,422.03x = 4,701,662,487.25
  5. Step 5: Solve for x
    x = 4,701,662,487.25/63,422.03
  6. Step 6: Final answer
    x = 74,132.96

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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.