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Finding the Fourth Proportional to 224,738.59, 310,140.32 and 122,765.46

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Solution

The fourth proportional to 224,738.59, 310,140.32 and 122,765.46 is: 169,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,738.59 : 310,140.32 = 122,765.46 : x
  2. Step 2: Convert to fraction form
    224,738.59/310,140.32 = 122,765.46/x
  3. Step 3: Cross multiply
    224,738.59x = 310,140.32 × 122,765.46
  4. Step 4: Simplify right side
    224,738.59x = 38,074,519,049.35
  5. Step 5: Solve for x
    x = 38,074,519,049.35/224,738.59
  6. Step 6: Final answer
    x = 169,416.92

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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.