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Finding the Fourth Proportional to 166,462, 229,717.56 and 91,011.04

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Solution

The fourth proportional to 166,462, 229,717.56 and 91,011.04 is: 125,595.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,462 : 229,717.56 = 91,011.04 : x
  2. Step 2: Convert to fraction form
    166,462/229,717.56 = 91,011.04/x
  3. Step 3: Cross multiply
    166,462x = 229,717.56 × 91,011.04
  4. Step 4: Simplify right side
    166,462x = 20,906,834,041.86
  5. Step 5: Solve for x
    x = 20,906,834,041.86/166,462
  6. Step 6: Final answer
    x = 125,595.24

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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.