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Finding the Fourth Proportional to 93,183.92, 139,798.92 and 30,860.72

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Solution

The fourth proportional to 93,183.92, 139,798.92 and 30,860.72 is: 46,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,183.92 : 139,798.92 = 30,860.72 : x
  2. Step 2: Convert to fraction form
    93,183.92/139,798.92 = 30,860.72/x
  3. Step 3: Cross multiply
    93,183.92x = 139,798.92 × 30,860.72
  4. Step 4: Simplify right side
    93,183.92x = 4,314,295,326.42
  5. Step 5: Solve for x
    x = 4,314,295,326.42/93,183.92
  6. Step 6: Final answer
    x = 46,298.71

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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.