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Finding the Fourth Proportional to 93,325.31, 128,791.74 and 50,884.55

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Solution

The fourth proportional to 93,325.31, 128,791.74 and 50,884.55 is: 70,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,325.31 : 128,791.74 = 50,884.55 : x
  2. Step 2: Convert to fraction form
    93,325.31/128,791.74 = 50,884.55/x
  3. Step 3: Cross multiply
    93,325.31x = 128,791.74 × 50,884.55
  4. Step 4: Simplify right side
    93,325.31x = 6,553,509,733.62
  5. Step 5: Solve for x
    x = 6,553,509,733.62/93,325.31
  6. Step 6: Final answer
    x = 70,222.21

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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.