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Finding the Fourth Proportional to 242,694.30, 364,041.45 and 137,718.30

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Solution

The fourth proportional to 242,694.30, 364,041.45 and 137,718.30 is: 206,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,694.30 : 364,041.45 = 137,718.30 : x
  2. Step 2: Convert to fraction form
    242,694.30/364,041.45 = 137,718.30/x
  3. Step 3: Cross multiply
    242,694.30x = 364,041.45 × 137,718.30
  4. Step 4: Simplify right side
    242,694.30x = 50,135,169,623.54
  5. Step 5: Solve for x
    x = 50,135,169,623.54/242,694.30
  6. Step 6: Final answer
    x = 206,577.45

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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.