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Finding the Fourth Proportional to 272,204.96, 375,655.32 and 151,358.64

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Solution

The fourth proportional to 272,204.96, 375,655.32 and 151,358.64 is: 208,881.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,204.96 : 375,655.32 = 151,358.64 : x
  2. Step 2: Convert to fraction form
    272,204.96/375,655.32 = 151,358.64/x
  3. Step 3: Cross multiply
    272,204.96x = 375,655.32 × 151,358.64
  4. Step 4: Simplify right side
    272,204.96x = 56,858,678,343.96
  5. Step 5: Solve for x
    x = 56,858,678,343.96/272,204.96
  6. Step 6: Final answer
    x = 208,881.86

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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.