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Finding the Fourth Proportional to 301,099.01, 415,521.95 and 165,131.76

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Solution

The fourth proportional to 301,099.01, 415,521.95 and 165,131.76 is: 227,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,099.01 : 415,521.95 = 165,131.76 : x
  2. Step 2: Convert to fraction form
    301,099.01/415,521.95 = 165,131.76/x
  3. Step 3: Cross multiply
    301,099.01x = 415,521.95 × 165,131.76
  4. Step 4: Simplify right side
    301,099.01x = 68,615,870,096.47
  5. Step 5: Solve for x
    x = 68,615,870,096.47/301,099.01
  6. Step 6: Final answer
    x = 227,884.75

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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.