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Finding the Fourth Proportional to 155,190, 232,785 and 44,382

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Solution

The fourth proportional to 155,190, 232,785 and 44,382 is: 66,573

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,190 : 232,785 = 44,382 : x
  2. Step 2: Convert to fraction form
    155,190/232,785 = 44,382/x
  3. Step 3: Cross multiply
    155,190x = 232,785 × 44,382
  4. Step 4: Simplify right side
    155,190x = 10,331,463,870
  5. Step 5: Solve for x
    x = 10,331,463,870/155,190
  6. Step 6: Final answer
    x = 66,573

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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.