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Finding the Fourth Proportional to 224,648.64, 310,015.66 and 122,674.30

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Solution

The fourth proportional to 224,648.64, 310,015.66 and 122,674.30 is: 169,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,648.64 : 310,015.66 = 122,674.30 : x
  2. Step 2: Convert to fraction form
    224,648.64/310,015.66 = 122,674.30/x
  3. Step 3: Cross multiply
    224,648.64x = 310,015.66 × 122,674.30
  4. Step 4: Simplify right side
    224,648.64x = 38,030,954,079.54
  5. Step 5: Solve for x
    x = 38,030,954,079.54/224,648.64
  6. Step 6: Final answer
    x = 169,290.83

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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.