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Finding the Fourth Proportional to 247,975.35, 342,209.39 and 134,800.53

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Solution

The fourth proportional to 247,975.35, 342,209.39 and 134,800.53 is: 186,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,975.35 : 342,209.39 = 134,800.53 : x
  2. Step 2: Convert to fraction form
    247,975.35/342,209.39 = 134,800.53/x
  3. Step 3: Cross multiply
    247,975.35x = 342,209.39 × 134,800.53
  4. Step 4: Simplify right side
    247,975.35x = 46,130,006,468.97
  5. Step 5: Solve for x
    x = 46,130,006,468.97/247,975.35
  6. Step 6: Final answer
    x = 186,026.58

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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.