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Finding the Fourth Proportional to 246,452.42, 369,585.69 and 86,478.84

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Solution

The fourth proportional to 246,452.42, 369,585.69 and 86,478.84 is: 129,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,452.42 : 369,585.69 = 86,478.84 : x
  2. Step 2: Convert to fraction form
    246,452.42/369,585.69 = 86,478.84/x
  3. Step 3: Cross multiply
    246,452.42x = 369,585.69 × 86,478.84
  4. Step 4: Simplify right side
    246,452.42x = 31,961,341,427.50
  5. Step 5: Solve for x
    x = 31,961,341,427.50/246,452.42
  6. Step 6: Final answer
    x = 129,685.65

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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.