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Finding the Fourth Proportional to 93,224.97, 128,640.86 and 52,382.61

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Solution

The fourth proportional to 93,224.97, 128,640.86 and 52,382.61 is: 72,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,224.97 : 128,640.86 = 52,382.61 : x
  2. Step 2: Convert to fraction form
    93,224.97/128,640.86 = 52,382.61/x
  3. Step 3: Cross multiply
    93,224.97x = 128,640.86 × 52,382.61
  4. Step 4: Simplify right side
    93,224.97x = 6,738,543,356.24
  5. Step 5: Solve for x
    x = 6,738,543,356.24/93,224.97
  6. Step 6: Final answer
    x = 72,282.61

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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.