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Finding the Fourth Proportional to 124,432, 186,648 and 36,880

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Solution

The fourth proportional to 124,432, 186,648 and 36,880 is: 55,320

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,432 : 186,648 = 36,880 : x
  2. Step 2: Convert to fraction form
    124,432/186,648 = 36,880/x
  3. Step 3: Cross multiply
    124,432x = 186,648 × 36,880
  4. Step 4: Simplify right side
    124,432x = 6,883,578,240
  5. Step 5: Solve for x
    x = 6,883,578,240/124,432
  6. Step 6: Final answer
    x = 55,320

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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.