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Finding the Fourth Proportional to 246,447.07, 340,107.29 and 139,017.07

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Solution

The fourth proportional to 246,447.07, 340,107.29 and 139,017.07 is: 191,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,447.07 : 340,107.29 = 139,017.07 : x
  2. Step 2: Convert to fraction form
    246,447.07/340,107.29 = 139,017.07/x
  3. Step 3: Cross multiply
    246,447.07x = 340,107.29 × 139,017.07
  4. Step 4: Simplify right side
    246,447.07x = 47,280,718,941.44
  5. Step 5: Solve for x
    x = 47,280,718,941.44/246,447.07
  6. Step 6: Final answer
    x = 191,849.39

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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.