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Finding the Fourth Proportional to 224,721.38, 310,117.11 and 124,119.38

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Solution

The fourth proportional to 224,721.38, 310,117.11 and 124,119.38 is: 171,285.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,721.38 : 310,117.11 = 124,119.38 : x
  2. Step 2: Convert to fraction form
    224,721.38/310,117.11 = 124,119.38/x
  3. Step 3: Cross multiply
    224,721.38x = 310,117.11 × 124,119.38
  4. Step 4: Simplify right side
    224,721.38x = 38,491,543,420.59
  5. Step 5: Solve for x
    x = 38,491,543,420.59/224,721.38
  6. Step 6: Final answer
    x = 171,285.63

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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.