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Finding the Fourth Proportional to 162,377.45, 224,081.70 and 90,755.93

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Solution

The fourth proportional to 162,377.45, 224,081.70 and 90,755.93 is: 125,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,377.45 : 224,081.70 = 90,755.93 : x
  2. Step 2: Convert to fraction form
    162,377.45/224,081.70 = 90,755.93/x
  3. Step 3: Cross multiply
    162,377.45x = 224,081.70 × 90,755.93
  4. Step 4: Simplify right side
    162,377.45x = 20,336,743,079.48
  5. Step 5: Solve for x
    x = 20,336,743,079.48/162,377.45
  6. Step 6: Final answer
    x = 125,243.64

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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.