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Finding the Fourth Proportional to 246,888.57, 340,713.23 and 139,463.13

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Solution

The fourth proportional to 246,888.57, 340,713.23 and 139,463.13 is: 192,463.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,888.57 : 340,713.23 = 139,463.13 : x
  2. Step 2: Convert to fraction form
    246,888.57/340,713.23 = 139,463.13/x
  3. Step 3: Cross multiply
    246,888.57x = 340,713.23 × 139,463.13
  4. Step 4: Simplify right side
    246,888.57x = 47,516,932,790.89
  5. Step 5: Solve for x
    x = 47,516,932,790.89/246,888.57
  6. Step 6: Final answer
    x = 192,463.07

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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.