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Finding the Fourth Proportional to 93,367.92, 128,847.14 and 53,081.70

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Solution

The fourth proportional to 93,367.92, 128,847.14 and 53,081.70 is: 73,252.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,367.92 : 128,847.14 = 53,081.70 : x
  2. Step 2: Convert to fraction form
    93,367.92/128,847.14 = 53,081.70/x
  3. Step 3: Cross multiply
    93,367.92x = 128,847.14 × 53,081.70
  4. Step 4: Simplify right side
    93,367.92x = 6,839,424,965.93
  5. Step 5: Solve for x
    x = 6,839,424,965.93/93,367.92
  6. Step 6: Final answer
    x = 73,252.41

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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.