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Finding the Fourth Proportional to 111,265.65, 166,780.82 and 36,365.76

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Solution

The fourth proportional to 111,265.65, 166,780.82 and 36,365.76 is: 54,510.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,265.65 : 166,780.82 = 36,365.76 : x
  2. Step 2: Convert to fraction form
    111,265.65/166,780.82 = 36,365.76/x
  3. Step 3: Cross multiply
    111,265.65x = 166,780.82 × 36,365.76
  4. Step 4: Simplify right side
    111,265.65x = 6,065,111,363.64
  5. Step 5: Solve for x
    x = 6,065,111,363.64/111,265.65
  6. Step 6: Final answer
    x = 54,510.19

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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.