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Finding the Fourth Proportional to 247,584, 341,670.06 and 134,406.75

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Solution

The fourth proportional to 247,584, 341,670.06 and 134,406.75 is: 185,483.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,584 : 341,670.06 = 134,406.75 : x
  2. Step 2: Convert to fraction form
    247,584/341,670.06 = 134,406.75/x
  3. Step 3: Cross multiply
    247,584x = 341,670.06 × 134,406.75
  4. Step 4: Simplify right side
    247,584x = 45,922,762,336.91
  5. Step 5: Solve for x
    x = 45,922,762,336.91/247,584
  6. Step 6: Final answer
    x = 185,483.56

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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.