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Finding the Fourth Proportional to 224,797.54, 310,216.97 and 122,820.81

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Solution

The fourth proportional to 224,797.54, 310,216.97 and 122,820.81 is: 169,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,797.54 : 310,216.97 = 122,820.81 : x
  2. Step 2: Convert to fraction form
    224,797.54/310,216.97 = 122,820.81/x
  3. Step 3: Cross multiply
    224,797.54x = 310,216.97 × 122,820.81
  4. Step 4: Simplify right side
    224,797.54x = 38,101,099,838.20
  5. Step 5: Solve for x
    x = 38,101,099,838.20/224,797.54
  6. Step 6: Final answer
    x = 169,490.73

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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.