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Finding the Fourth Proportional to 247,000.68, 340,858.80 and 133,823.16

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Solution

The fourth proportional to 247,000.68, 340,858.80 and 133,823.16 is: 184,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,000.68 : 340,858.80 = 133,823.16 : x
  2. Step 2: Convert to fraction form
    247,000.68/340,858.80 = 133,823.16/x
  3. Step 3: Cross multiply
    247,000.68x = 340,858.80 × 133,823.16
  4. Step 4: Simplify right side
    247,000.68x = 45,614,801,729.81
  5. Step 5: Solve for x
    x = 45,614,801,729.81/247,000.68
  6. Step 6: Final answer
    x = 184,674.80

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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.