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Finding the Fourth Proportional to 246,488.94, 340,125.48 and 139,052.70

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Solution

The fourth proportional to 246,488.94, 340,125.48 and 139,052.70 is: 191,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,488.94 : 340,125.48 = 139,052.70 : x
  2. Step 2: Convert to fraction form
    246,488.94/340,125.48 = 139,052.70/x
  3. Step 3: Cross multiply
    246,488.94x = 340,125.48 × 139,052.70
  4. Step 4: Simplify right side
    246,488.94x = 47,295,366,332.80
  5. Step 5: Solve for x
    x = 47,295,366,332.80/246,488.94
  6. Step 6: Final answer
    x = 191,876.22

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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.