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Finding the Fourth Proportional to 251,646.98, 347,262.38 and 136,926.07

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Solution

The fourth proportional to 251,646.98, 347,262.38 and 136,926.07 is: 188,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,646.98 : 347,262.38 = 136,926.07 : x
  2. Step 2: Convert to fraction form
    251,646.98/347,262.38 = 136,926.07/x
  3. Step 3: Cross multiply
    251,646.98x = 347,262.38 × 136,926.07
  4. Step 4: Simplify right side
    251,646.98x = 47,549,272,952.25
  5. Step 5: Solve for x
    x = 47,549,272,952.25/251,646.98
  6. Step 6: Final answer
    x = 188,952.29

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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.