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Finding the Fourth Proportional to 177,676.55, 245,193.24 and 101,195.64

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Solution

The fourth proportional to 177,676.55, 245,193.24 and 101,195.64 is: 139,649.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,676.55 : 245,193.24 = 101,195.64 : x
  2. Step 2: Convert to fraction form
    177,676.55/245,193.24 = 101,195.64/x
  3. Step 3: Cross multiply
    177,676.55x = 245,193.24 × 101,195.64
  4. Step 4: Simplify right side
    177,676.55x = 24,812,486,845.47
  5. Step 5: Solve for x
    x = 24,812,486,845.47/177,676.55
  6. Step 6: Final answer
    x = 139,649.76

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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.