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Finding the Fourth Proportional to 272,201.16, 375,646.28 and 151,347.54

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Solution

The fourth proportional to 272,201.16, 375,646.28 and 151,347.54 is: 208,864.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,201.16 : 375,646.28 = 151,347.54 : x
  2. Step 2: Convert to fraction form
    272,201.16/375,646.28 = 151,347.54/x
  3. Step 3: Cross multiply
    272,201.16x = 375,646.28 × 151,347.54
  4. Step 4: Simplify right side
    272,201.16x = 56,853,140,388.15
  5. Step 5: Solve for x
    x = 56,853,140,388.15/272,201.16
  6. Step 6: Final answer
    x = 208,864.43

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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.