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Finding the Fourth Proportional to 246,477.41, 340,142.12 and 139,047.11

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Solution

The fourth proportional to 246,477.41, 340,142.12 and 139,047.11 is: 191,886.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,477.41 : 340,142.12 = 139,047.11 : x
  2. Step 2: Convert to fraction form
    246,477.41/340,142.12 = 139,047.11/x
  3. Step 3: Cross multiply
    246,477.41x = 340,142.12 × 139,047.11
  4. Step 4: Simplify right side
    246,477.41x = 47,295,776,379.33
  5. Step 5: Solve for x
    x = 47,295,776,379.33/246,477.41
  6. Step 6: Final answer
    x = 191,886.86

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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.