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Finding the Fourth Proportional to 496,009.08, 744,126.12 and 159,073.20

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Solution

The fourth proportional to 496,009.08, 744,126.12 and 159,073.20 is: 238,645.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,009.08 : 744,126.12 = 159,073.20 : x
  2. Step 2: Convert to fraction form
    496,009.08/744,126.12 = 159,073.20/x
  3. Step 3: Cross multiply
    496,009.08x = 744,126.12 × 159,073.20
  4. Step 4: Simplify right side
    496,009.08x = 118,370,523,111.98
  5. Step 5: Solve for x
    x = 118,370,523,111.98/496,009.08
  6. Step 6: Final answer
    x = 238,645.88

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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.