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Finding the Fourth Proportional to 92,792.52, 128,049.93 and 50,350.14

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Solution

The fourth proportional to 92,792.52, 128,049.93 and 50,350.14 is: 69,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,792.52 : 128,049.93 = 50,350.14 : x
  2. Step 2: Convert to fraction form
    92,792.52/128,049.93 = 50,350.14/x
  3. Step 3: Cross multiply
    92,792.52x = 128,049.93 × 50,350.14
  4. Step 4: Simplify right side
    92,792.52x = 6,447,331,902.49
  5. Step 5: Solve for x
    x = 6,447,331,902.49/92,792.52
  6. Step 6: Final answer
    x = 69,481.16

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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.