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Finding the Fourth Proportional to 244,008.45, 336,731.58 and 136,578.45

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Solution

The fourth proportional to 244,008.45, 336,731.58 and 136,578.45 is: 188,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,008.45 : 336,731.58 = 136,578.45 : x
  2. Step 2: Convert to fraction form
    244,008.45/336,731.58 = 136,578.45/x
  3. Step 3: Cross multiply
    244,008.45x = 336,731.58 × 136,578.45
  4. Step 4: Simplify right side
    244,008.45x = 45,990,277,262.45
  5. Step 5: Solve for x
    x = 45,990,277,262.45/244,008.45
  6. Step 6: Final answer
    x = 188,478.22

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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.