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Finding the Fourth Proportional to 247,032.48, 340,904.48 and 133,855.23

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Solution

The fourth proportional to 247,032.48, 340,904.48 and 133,855.23 is: 184,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,032.48 : 340,904.48 = 133,855.23 : x
  2. Step 2: Convert to fraction form
    247,032.48/340,904.48 = 133,855.23/x
  3. Step 3: Cross multiply
    247,032.48x = 340,904.48 × 133,855.23
  4. Step 4: Simplify right side
    247,032.48x = 45,631,847,578.43
  5. Step 5: Solve for x
    x = 45,631,847,578.43/247,032.48
  6. Step 6: Final answer
    x = 184,720.03

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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.