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Finding the Fourth Proportional to 224,923.70, 310,394.72 and 122,949.56

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Solution

The fourth proportional to 224,923.70, 310,394.72 and 122,949.56 is: 169,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,923.70 : 310,394.72 = 122,949.56 : x
  2. Step 2: Convert to fraction form
    224,923.70/310,394.72 = 122,949.56/x
  3. Step 3: Cross multiply
    224,923.70x = 310,394.72 × 122,949.56
  4. Step 4: Simplify right side
    224,923.70x = 38,162,894,250.32
  5. Step 5: Solve for x
    x = 38,162,894,250.32/224,923.70
  6. Step 6: Final answer
    x = 169,670.40

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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.