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Finding the Fourth Proportional to 111,338.80, 166,966.64 and 44,756.40

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Solution

The fourth proportional to 111,338.80, 166,966.64 and 44,756.40 is: 67,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,338.80 : 166,966.64 = 44,756.40 : x
  2. Step 2: Convert to fraction form
    111,338.80/166,966.64 = 44,756.40/x
  3. Step 3: Cross multiply
    111,338.80x = 166,966.64 × 44,756.40
  4. Step 4: Simplify right side
    111,338.80x = 7,472,825,726.50
  5. Step 5: Solve for x
    x = 7,472,825,726.50/111,338.80
  6. Step 6: Final answer
    x = 67,117.89

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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.