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Finding the Fourth Proportional to 93,336.68, 128,805.72 and 50,895.12

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Solution

The fourth proportional to 93,336.68, 128,805.72 and 50,895.12 is: 70,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,336.68 : 128,805.72 = 50,895.12 : x
  2. Step 2: Convert to fraction form
    93,336.68/128,805.72 = 50,895.12/x
  3. Step 3: Cross multiply
    93,336.68x = 128,805.72 × 50,895.12
  4. Step 4: Simplify right side
    93,336.68x = 6,555,582,576.09
  5. Step 5: Solve for x
    x = 6,555,582,576.09/93,336.68
  6. Step 6: Final answer
    x = 70,235.87

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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.