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Finding the Fourth Proportional to 246,201.55, 369,163.80 and 77,690.46

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Solution

The fourth proportional to 246,201.55, 369,163.80 and 77,690.46 is: 116,491.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,201.55 : 369,163.80 = 77,690.46 : x
  2. Step 2: Convert to fraction form
    246,201.55/369,163.80 = 77,690.46/x
  3. Step 3: Cross multiply
    246,201.55x = 369,163.80 × 77,690.46
  4. Step 4: Simplify right side
    246,201.55x = 28,680,506,821.71
  5. Step 5: Solve for x
    x = 28,680,506,821.71/246,201.55
  6. Step 6: Final answer
    x = 116,491.98

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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.