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Finding the Fourth Proportional to 63,148.55, 94,722 and 18,171.08

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Solution

The fourth proportional to 63,148.55, 94,722 and 18,171.08 is: 27,256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,148.55 : 94,722 = 18,171.08 : x
  2. Step 2: Convert to fraction form
    63,148.55/94,722 = 18,171.08/x
  3. Step 3: Cross multiply
    63,148.55x = 94,722 × 18,171.08
  4. Step 4: Simplify right side
    63,148.55x = 1,721,201,039.76
  5. Step 5: Solve for x
    x = 1,721,201,039.76/63,148.55
  6. Step 6: Final answer
    x = 27,256.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.