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Finding the Fourth Proportional to 162,519.76, 224,288.99 and 90,922.83

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Solution

The fourth proportional to 162,519.76, 224,288.99 and 90,922.83 is: 125,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,519.76 : 224,288.99 = 90,922.83 : x
  2. Step 2: Convert to fraction form
    162,519.76/224,288.99 = 90,922.83/x
  3. Step 3: Cross multiply
    162,519.76x = 224,288.99 × 90,922.83
  4. Step 4: Simplify right side
    162,519.76x = 20,392,989,708.64
  5. Step 5: Solve for x
    x = 20,392,989,708.64/162,519.76
  6. Step 6: Final answer
    x = 125,480.06

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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.