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Finding the Fourth Proportional to 203,192.30, 304,640.79 and 84,897.47

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Solution

The fourth proportional to 203,192.30, 304,640.79 and 84,897.47 is: 127,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,192.30 : 304,640.79 = 84,897.47 : x
  2. Step 2: Convert to fraction form
    203,192.30/304,640.79 = 84,897.47/x
  3. Step 3: Cross multiply
    203,192.30x = 304,640.79 × 84,897.47
  4. Step 4: Simplify right side
    203,192.30x = 25,863,232,329.80
  5. Step 5: Solve for x
    x = 25,863,232,329.80/203,192.30
  6. Step 6: Final answer
    x = 127,284.51

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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.