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Finding the Fourth Proportional to 93,340.27, 139,415.44 and 84,441.97

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Solution

The fourth proportional to 93,340.27, 139,415.44 and 84,441.97 is: 126,124.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,340.27 : 139,415.44 = 84,441.97 : x
  2. Step 2: Convert to fraction form
    93,340.27/139,415.44 = 84,441.97/x
  3. Step 3: Cross multiply
    93,340.27x = 139,415.44 × 84,441.97
  4. Step 4: Simplify right side
    93,340.27x = 11,772,514,402.02
  5. Step 5: Solve for x
    x = 11,772,514,402.02/93,340.27
  6. Step 6: Final answer
    x = 126,124.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.