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Finding the Fourth Proportional to 247,032.36, 340,905.24 and 133,855.11

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Solution

The fourth proportional to 247,032.36, 340,905.24 and 133,855.11 is: 184,720.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,032.36 : 340,905.24 = 133,855.11 : x
  2. Step 2: Convert to fraction form
    247,032.36/340,905.24 = 133,855.11/x
  3. Step 3: Cross multiply
    247,032.36x = 340,905.24 × 133,855.11
  4. Step 4: Simplify right side
    247,032.36x = 45,631,908,399.78
  5. Step 5: Solve for x
    x = 45,631,908,399.78/247,032.36
  6. Step 6: Final answer
    x = 184,720.37

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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.