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Finding the Fourth Proportional to 272,109.68, 375,489.76 and 151,241.48

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Solution

The fourth proportional to 272,109.68, 375,489.76 and 151,241.48 is: 208,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,109.68 : 375,489.76 = 151,241.48 : x
  2. Step 2: Convert to fraction form
    272,109.68/375,489.76 = 151,241.48/x
  3. Step 3: Cross multiply
    272,109.68x = 375,489.76 × 151,241.48
  4. Step 4: Simplify right side
    272,109.68x = 56,789,627,027.24
  5. Step 5: Solve for x
    x = 56,789,627,027.24/272,109.68
  6. Step 6: Final answer
    x = 208,701.24

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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.