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Finding the Fourth Proportional to 155,145.62, 232,754.88 and 49,960.64

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Solution

The fourth proportional to 155,145.62, 232,754.88 and 49,960.64 is: 74,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,145.62 : 232,754.88 = 49,960.64 : x
  2. Step 2: Convert to fraction form
    155,145.62/232,754.88 = 49,960.64/x
  3. Step 3: Cross multiply
    155,145.62x = 232,754.88 × 49,960.64
  4. Step 4: Simplify right side
    155,145.62x = 11,628,582,767.92
  5. Step 5: Solve for x
    x = 11,628,582,767.92/155,145.62
  6. Step 6: Final answer
    x = 74,952.70

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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.