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Finding the Fourth Proportional to 272,514.29, 375,679.98 and 191,690.97

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Solution

The fourth proportional to 272,514.29, 375,679.98 and 191,690.97 is: 264,259.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,514.29 : 375,679.98 = 191,690.97 : x
  2. Step 2: Convert to fraction form
    272,514.29/375,679.98 = 191,690.97/x
  3. Step 3: Cross multiply
    272,514.29x = 375,679.98 × 191,690.97
  4. Step 4: Simplify right side
    272,514.29x = 72,014,459,756.53
  5. Step 5: Solve for x
    x = 72,014,459,756.53/272,514.29
  6. Step 6: Final answer
    x = 264,259.39

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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.