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Finding the Fourth Proportional to 63,274.92, 94,714.74 and 42,232.20

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Solution

The fourth proportional to 63,274.92, 94,714.74 and 42,232.20 is: 63,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,274.92 : 94,714.74 = 42,232.20 : x
  2. Step 2: Convert to fraction form
    63,274.92/94,714.74 = 42,232.20/x
  3. Step 3: Cross multiply
    63,274.92x = 94,714.74 × 42,232.20
  4. Step 4: Simplify right side
    63,274.92x = 4,000,011,842.63
  5. Step 5: Solve for x
    x = 4,000,011,842.63/63,274.92
  6. Step 6: Final answer
    x = 63,216.39

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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.