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Finding the Fourth Proportional to 272,207.44, 375,663.28 and 151,375.76

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Solution

The fourth proportional to 272,207.44, 375,663.28 and 151,375.76 is: 208,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,207.44 : 375,663.28 = 151,375.76 : x
  2. Step 2: Convert to fraction form
    272,207.44/375,663.28 = 151,375.76/x
  3. Step 3: Cross multiply
    272,207.44x = 375,663.28 × 151,375.76
  4. Step 4: Simplify right side
    272,207.44x = 56,866,314,514.09
  5. Step 5: Solve for x
    x = 56,866,314,514.09/272,207.44
  6. Step 6: Final answer
    x = 208,908.01

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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.