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Finding the Fourth Proportional to 114,493.60, 171,707.58 and 38,583.87

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Solution

The fourth proportional to 114,493.60, 171,707.58 and 38,583.87 is: 57,864.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,493.60 : 171,707.58 = 38,583.87 : x
  2. Step 2: Convert to fraction form
    114,493.60/171,707.58 = 38,583.87/x
  3. Step 3: Cross multiply
    114,493.60x = 171,707.58 × 38,583.87
  4. Step 4: Simplify right side
    114,493.60x = 6,625,142,944.73
  5. Step 5: Solve for x
    x = 6,625,142,944.73/114,493.60
  6. Step 6: Final answer
    x = 57,864.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.