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Finding the Fourth Proportional to 162,344.07, 224,034.15 and 90,724.07

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Solution

The fourth proportional to 162,344.07, 224,034.15 and 90,724.07 is: 125,198.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,344.07 : 224,034.15 = 90,724.07 : x
  2. Step 2: Convert to fraction form
    162,344.07/224,034.15 = 90,724.07/x
  3. Step 3: Cross multiply
    162,344.07x = 224,034.15 × 90,724.07
  4. Step 4: Simplify right side
    162,344.07x = 20,325,289,906.99
  5. Step 5: Solve for x
    x = 20,325,289,906.99/162,344.07
  6. Step 6: Final answer
    x = 125,198.84

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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.