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Finding the Fourth Proportional to 247,365.87, 341,365.55 and 134,188.62

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Solution

The fourth proportional to 247,365.87, 341,365.55 and 134,188.62 is: 185,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,365.87 : 341,365.55 = 134,188.62 : x
  2. Step 2: Convert to fraction form
    247,365.87/341,365.55 = 134,188.62/x
  3. Step 3: Cross multiply
    247,365.87x = 341,365.55 × 134,188.62
  4. Step 4: Simplify right side
    247,365.87x = 45,807,370,496.38
  5. Step 5: Solve for x
    x = 45,807,370,496.38/247,365.87
  6. Step 6: Final answer
    x = 185,180.64

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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.