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Finding the Fourth Proportional to 97,792.92, 134,944.38 and 55,344.06

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Solution

The fourth proportional to 97,792.92, 134,944.38 and 55,344.06 is: 76,369.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,792.92 : 134,944.38 = 55,344.06 : x
  2. Step 2: Convert to fraction form
    97,792.92/134,944.38 = 55,344.06/x
  3. Step 3: Cross multiply
    97,792.92x = 134,944.38 × 55,344.06
  4. Step 4: Simplify right side
    97,792.92x = 7,468,369,863.38
  5. Step 5: Solve for x
    x = 7,468,369,863.38/97,792.92
  6. Step 6: Final answer
    x = 76,369.23

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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.