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Finding the Fourth Proportional to 93,331.77, 140,042.72 and 45,921.15

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Solution

The fourth proportional to 93,331.77, 140,042.72 and 45,921.15 is: 68,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,331.77 : 140,042.72 = 45,921.15 : x
  2. Step 2: Convert to fraction form
    93,331.77/140,042.72 = 45,921.15/x
  3. Step 3: Cross multiply
    93,331.77x = 140,042.72 × 45,921.15
  4. Step 4: Simplify right side
    93,331.77x = 6,430,922,521.92
  5. Step 5: Solve for x
    x = 6,430,922,521.92/93,331.77
  6. Step 6: Final answer
    x = 68,903.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.