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Finding the Fourth Proportional to 62,465.60, 86,203.32 and 34,171.76

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Solution

The fourth proportional to 62,465.60, 86,203.32 and 34,171.76 is: 47,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,465.60 : 86,203.32 = 34,171.76 : x
  2. Step 2: Convert to fraction form
    62,465.60/86,203.32 = 34,171.76/x
  3. Step 3: Cross multiply
    62,465.60x = 86,203.32 × 34,171.76
  4. Step 4: Simplify right side
    62,465.60x = 2,945,719,162.24
  5. Step 5: Solve for x
    x = 2,945,719,162.24/62,465.60
  6. Step 6: Final answer
    x = 47,157.46

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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.