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Finding the Fourth Proportional to 162,853.74, 224,736.93 and 91,234.35

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Solution

The fourth proportional to 162,853.74, 224,736.93 and 91,234.35 is: 125,902.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,853.74 : 224,736.93 = 91,234.35 : x
  2. Step 2: Convert to fraction form
    162,853.74/224,736.93 = 91,234.35/x
  3. Step 3: Cross multiply
    162,853.74x = 224,736.93 × 91,234.35
  4. Step 4: Simplify right side
    162,853.74x = 20,503,727,729.55
  5. Step 5: Solve for x
    x = 20,503,727,729.55/162,853.74
  6. Step 6: Final answer
    x = 125,902.71

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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.