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Finding the Fourth Proportional to 247,993.62, 342,233.64 and 134,818.80

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Solution

The fourth proportional to 247,993.62, 342,233.64 and 134,818.80 is: 186,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,993.62 : 342,233.64 = 134,818.80 : x
  2. Step 2: Convert to fraction form
    247,993.62/342,233.64 = 134,818.80/x
  3. Step 3: Cross multiply
    247,993.62x = 342,233.64 × 134,818.80
  4. Step 4: Simplify right side
    247,993.62x = 46,139,528,664.43
  5. Step 5: Solve for x
    x = 46,139,528,664.43/247,993.62
  6. Step 6: Final answer
    x = 186,051.27

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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.