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Finding the Fourth Proportional to 93,391.73, 128,880.47 and 50,950.27

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Solution

The fourth proportional to 93,391.73, 128,880.47 and 50,950.27 is: 70,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,391.73 : 128,880.47 = 50,950.27 : x
  2. Step 2: Convert to fraction form
    93,391.73/128,880.47 = 50,950.27/x
  3. Step 3: Cross multiply
    93,391.73x = 128,880.47 × 50,950.27
  4. Step 4: Simplify right side
    93,391.73x = 6,566,494,021.16
  5. Step 5: Solve for x
    x = 6,566,494,021.16/93,391.73
  6. Step 6: Final answer
    x = 70,311.30

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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.