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Finding the Fourth Proportional to 246,416.28, 340,053.98 and 138,985.98

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Solution

The fourth proportional to 246,416.28, 340,053.98 and 138,985.98 is: 191,800.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,416.28 : 340,053.98 = 138,985.98 : x
  2. Step 2: Convert to fraction form
    246,416.28/340,053.98 = 138,985.98/x
  3. Step 3: Cross multiply
    246,416.28x = 340,053.98 × 138,985.98
  4. Step 4: Simplify right side
    246,416.28x = 47,262,735,663.20
  5. Step 5: Solve for x
    x = 47,262,735,663.20/246,416.28
  6. Step 6: Final answer
    x = 191,800.38

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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.