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Finding the Fourth Proportional to 246,759.60, 340,548.36 and 139,355.76

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Solution

The fourth proportional to 246,759.60, 340,548.36 and 139,355.76 is: 192,322.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,759.60 : 340,548.36 = 139,355.76 : x
  2. Step 2: Convert to fraction form
    246,759.60/340,548.36 = 139,355.76/x
  3. Step 3: Cross multiply
    246,759.60x = 340,548.36 × 139,355.76
  4. Step 4: Simplify right side
    246,759.60x = 47,457,375,524.55
  5. Step 5: Solve for x
    x = 47,457,375,524.55/246,759.60
  6. Step 6: Final answer
    x = 192,322.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.