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Finding the Fourth Proportional to 267,336.82, 368,929.35 and 146,489.86

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Solution

The fourth proportional to 267,336.82, 368,929.35 and 146,489.86 is: 202,158.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,336.82 : 368,929.35 = 146,489.86 : x
  2. Step 2: Convert to fraction form
    267,336.82/368,929.35 = 146,489.86/x
  3. Step 3: Cross multiply
    267,336.82x = 368,929.35 × 146,489.86
  4. Step 4: Simplify right side
    267,336.82x = 54,044,408,831.39
  5. Step 5: Solve for x
    x = 54,044,408,831.39/267,336.82
  6. Step 6: Final answer
    x = 202,158.49

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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.