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Finding the Fourth Proportional to 70,168.77, 96,805.39 and 43,264.55

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Solution

The fourth proportional to 70,168.77, 96,805.39 and 43,264.55 is: 59,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,168.77 : 96,805.39 = 43,264.55 : x
  2. Step 2: Convert to fraction form
    70,168.77/96,805.39 = 43,264.55/x
  3. Step 3: Cross multiply
    70,168.77x = 96,805.39 × 43,264.55
  4. Step 4: Simplify right side
    70,168.77x = 4,188,241,635.92
  5. Step 5: Solve for x
    x = 4,188,241,635.92/70,168.77
  6. Step 6: Final answer
    x = 59,688.12

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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.