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Finding the Fourth Proportional to 119,952.32, 165,532.32 and 66,236

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Solution

The fourth proportional to 119,952.32, 165,532.32 and 66,236 is: 91,404.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,952.32 : 165,532.32 = 66,236 : x
  2. Step 2: Convert to fraction form
    119,952.32/165,532.32 = 66,236/x
  3. Step 3: Cross multiply
    119,952.32x = 165,532.32 × 66,236
  4. Step 4: Simplify right side
    119,952.32x = 10,964,198,747.52
  5. Step 5: Solve for x
    x = 10,964,198,747.52/119,952.32
  6. Step 6: Final answer
    x = 91,404.64

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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.