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Finding the Fourth Proportional to 63,097.78, 94,664.92 and 20,402.30

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Solution

The fourth proportional to 63,097.78, 94,664.92 and 20,402.30 is: 30,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,097.78 : 94,664.92 = 20,402.30 : x
  2. Step 2: Convert to fraction form
    63,097.78/94,664.92 = 20,402.30/x
  3. Step 3: Cross multiply
    63,097.78x = 94,664.92 × 20,402.30
  4. Step 4: Simplify right side
    63,097.78x = 1,931,382,097.32
  5. Step 5: Solve for x
    x = 1,931,382,097.32/63,097.78
  6. Step 6: Final answer
    x = 30,609.35

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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.