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Finding the Fourth Proportional to 93,703.50, 140,569.86 and 30,508.70

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Solution

The fourth proportional to 93,703.50, 140,569.86 and 30,508.70 is: 45,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,703.50 : 140,569.86 = 30,508.70 : x
  2. Step 2: Convert to fraction form
    93,703.50/140,569.86 = 30,508.70/x
  3. Step 3: Cross multiply
    93,703.50x = 140,569.86 × 30,508.70
  4. Step 4: Simplify right side
    93,703.50x = 4,288,603,890.05
  5. Step 5: Solve for x
    x = 4,288,603,890.05/93,703.50
  6. Step 6: Final answer
    x = 45,767.81

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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.