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Finding the Fourth Proportional to 183,838.14, 253,793.52 and 123,724.80

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Solution

The fourth proportional to 183,838.14, 253,793.52 and 123,724.80 is: 170,805.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,838.14 : 253,793.52 = 123,724.80 : x
  2. Step 2: Convert to fraction form
    183,838.14/253,793.52 = 123,724.80/x
  3. Step 3: Cross multiply
    183,838.14x = 253,793.52 × 123,724.80
  4. Step 4: Simplify right side
    183,838.14x = 31,400,552,503.30
  5. Step 5: Solve for x
    x = 31,400,552,503.30/183,838.14
  6. Step 6: Final answer
    x = 170,805.43

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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.