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Finding the Fourth Proportional to 110,644.37, 165,966.66 and 47,423.47

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Solution

The fourth proportional to 110,644.37, 165,966.66 and 47,423.47 is: 71,135.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,644.37 : 165,966.66 = 47,423.47 : x
  2. Step 2: Convert to fraction form
    110,644.37/165,966.66 = 47,423.47/x
  3. Step 3: Cross multiply
    110,644.37x = 165,966.66 × 47,423.47
  4. Step 4: Simplify right side
    110,644.37x = 7,870,713,854.56
  5. Step 5: Solve for x
    x = 7,870,713,854.56/110,644.37
  6. Step 6: Final answer
    x = 71,135.24

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1.5x scale

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.