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Finding the Fourth Proportional to 202,006.00, 278,769.09 and 111,359.95

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Solution

The fourth proportional to 202,006.00, 278,769.09 and 111,359.95 is: 153,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,006.00 : 278,769.09 = 111,359.95 : x
  2. Step 2: Convert to fraction form
    202,006.00/278,769.09 = 111,359.95/x
  3. Step 3: Cross multiply
    202,006.00x = 278,769.09 × 111,359.95
  4. Step 4: Simplify right side
    202,006.00x = 31,043,711,644.62
  5. Step 5: Solve for x
    x = 31,043,711,644.62/202,006.00
  6. Step 6: Final answer
    x = 153,677.18

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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.