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Finding the Fourth Proportional to 246,750.87, 370,129.34 and 86,831.58

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Solution

The fourth proportional to 246,750.87, 370,129.34 and 86,831.58 is: 130,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,750.87 : 370,129.34 = 86,831.58 : x
  2. Step 2: Convert to fraction form
    246,750.87/370,129.34 = 86,831.58/x
  3. Step 3: Cross multiply
    246,750.87x = 370,129.34 × 86,831.58
  4. Step 4: Simplify right side
    246,750.87x = 32,138,915,613.64
  5. Step 5: Solve for x
    x = 32,138,915,613.64/246,750.87
  6. Step 6: Final answer
    x = 130,248.44

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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.