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Finding the Fourth Proportional to 496,085.91, 744,132.91 and 159,127.05

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Solution

The fourth proportional to 496,085.91, 744,132.91 and 159,127.05 is: 238,691.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,085.91 : 744,132.91 = 159,127.05 : x
  2. Step 2: Convert to fraction form
    496,085.91/744,132.91 = 159,127.05/x
  3. Step 3: Cross multiply
    496,085.91x = 744,132.91 × 159,127.05
  4. Step 4: Simplify right side
    496,085.91x = 118,411,674,776.22
  5. Step 5: Solve for x
    x = 118,411,674,776.22/496,085.91
  6. Step 6: Final answer
    x = 238,691.87

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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.