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Finding the Fourth Proportional to 246,568.60, 340,259.06 and 139,135.88

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Solution

The fourth proportional to 246,568.60, 340,259.06 and 139,135.88 is: 192,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,568.60 : 340,259.06 = 139,135.88 : x
  2. Step 2: Convert to fraction form
    246,568.60/340,259.06 = 139,135.88/x
  3. Step 3: Cross multiply
    246,568.60x = 340,259.06 × 139,135.88
  4. Step 4: Simplify right side
    246,568.60x = 47,342,243,741.07
  5. Step 5: Solve for x
    x = 47,342,243,741.07/246,568.60
  6. Step 6: Final answer
    x = 192,004.35

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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.