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Finding the Fourth Proportional to 247,000.69, 340,860.96 and 133,823.44

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Solution

The fourth proportional to 247,000.69, 340,860.96 and 133,823.44 is: 184,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,000.69 : 340,860.96 = 133,823.44 : x
  2. Step 2: Convert to fraction form
    247,000.69/340,860.96 = 133,823.44/x
  3. Step 3: Cross multiply
    247,000.69x = 340,860.96 × 133,823.44
  4. Step 4: Simplify right side
    247,000.69x = 45,615,186,654.98
  5. Step 5: Solve for x
    x = 45,615,186,654.98/247,000.69
  6. Step 6: Final answer
    x = 184,676.35

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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.