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Finding the Fourth Proportional to 162,620.82, 224,423.64 and 100,544.82

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Solution

The fourth proportional to 162,620.82, 224,423.64 and 100,544.82 is: 138,756.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,620.82 : 224,423.64 = 100,544.82 : x
  2. Step 2: Convert to fraction form
    162,620.82/224,423.64 = 100,544.82/x
  3. Step 3: Cross multiply
    162,620.82x = 224,423.64 × 100,544.82
  4. Step 4: Simplify right side
    162,620.82x = 22,564,634,487.54
  5. Step 5: Solve for x
    x = 22,564,634,487.54/162,620.82
  6. Step 6: Final answer
    x = 138,756.12

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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.