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Finding the Fourth Proportional to 213,988.24, 295,269 and 123,347.92

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Solution

The fourth proportional to 213,988.24, 295,269 and 123,347.92 is: 170,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,988.24 : 295,269 = 123,347.92 : x
  2. Step 2: Convert to fraction form
    213,988.24/295,269 = 123,347.92/x
  3. Step 3: Cross multiply
    213,988.24x = 295,269 × 123,347.92
  4. Step 4: Simplify right side
    213,988.24x = 36,420,816,990.48
  5. Step 5: Solve for x
    x = 36,420,816,990.48/213,988.24
  6. Step 6: Final answer
    x = 170,200.09

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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.