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Finding the Fourth Proportional to 183,265.66, 252,922.71 and 106,780.78

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Solution

The fourth proportional to 183,265.66, 252,922.71 and 106,780.78 is: 147,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,265.66 : 252,922.71 = 106,780.78 : x
  2. Step 2: Convert to fraction form
    183,265.66/252,922.71 = 106,780.78/x
  3. Step 3: Cross multiply
    183,265.66x = 252,922.71 × 106,780.78
  4. Step 4: Simplify right side
    183,265.66x = 27,007,284,253.51
  5. Step 5: Solve for x
    x = 27,007,284,253.51/183,265.66
  6. Step 6: Final answer
    x = 147,366.86

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1.5x scale

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.