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Finding the Fourth Proportional to 272,174.64, 375,614.76 and 151,318.32

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Solution

The fourth proportional to 272,174.64, 375,614.76 and 151,318.32 is: 208,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,174.64 : 375,614.76 = 151,318.32 : x
  2. Step 2: Convert to fraction form
    272,174.64/375,614.76 = 151,318.32/x
  3. Step 3: Cross multiply
    272,174.64x = 375,614.76 × 151,318.32
  4. Step 4: Simplify right side
    272,174.64x = 56,837,394,450.40
  5. Step 5: Solve for x
    x = 56,837,394,450.40/272,174.64
  6. Step 6: Final answer
    x = 208,826.93

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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.