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Finding the Fourth Proportional to 246,598.64, 340,305.52 and 139,168.32

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Solution

The fourth proportional to 246,598.64, 340,305.52 and 139,168.32 is: 192,051.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,598.64 : 340,305.52 = 139,168.32 : x
  2. Step 2: Convert to fraction form
    246,598.64/340,305.52 = 139,168.32/x
  3. Step 3: Cross multiply
    246,598.64x = 340,305.52 × 139,168.32
  4. Step 4: Simplify right side
    246,598.64x = 47,359,747,505.13
  5. Step 5: Solve for x
    x = 47,359,747,505.13/246,598.64
  6. Step 6: Final answer
    x = 192,051.94

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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.