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Finding the Fourth Proportional to 247,000.50, 340,861.05 and 133,823.25

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Solution

The fourth proportional to 247,000.50, 340,861.05 and 133,823.25 is: 184,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,000.50 : 340,861.05 = 133,823.25 : x
  2. Step 2: Convert to fraction form
    247,000.50/340,861.05 = 133,823.25/x
  3. Step 3: Cross multiply
    247,000.50x = 340,861.05 × 133,823.25
  4. Step 4: Simplify right side
    247,000.50x = 45,615,133,509.41
  5. Step 5: Solve for x
    x = 45,615,133,509.41/247,000.50
  6. Step 6: Final answer
    x = 184,676.28

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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.