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Finding the Fourth Proportional to 252,715.62, 348,663.60 and 166,717.32

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Solution

The fourth proportional to 252,715.62, 348,663.60 and 166,717.32 is: 230,014.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,715.62 : 348,663.60 = 166,717.32 : x
  2. Step 2: Convert to fraction form
    252,715.62/348,663.60 = 166,717.32/x
  3. Step 3: Cross multiply
    252,715.62x = 348,663.60 × 166,717.32
  4. Step 4: Simplify right side
    252,715.62x = 58,128,260,973.55
  5. Step 5: Solve for x
    x = 58,128,260,973.55/252,715.62
  6. Step 6: Final answer
    x = 230,014.52

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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.