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Finding the Fourth Proportional to 93,230.48, 139,849.56 and 48,832.40

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Solution

The fourth proportional to 93,230.48, 139,849.56 and 48,832.40 is: 73,250.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,230.48 : 139,849.56 = 48,832.40 : x
  2. Step 2: Convert to fraction form
    93,230.48/139,849.56 = 48,832.40/x
  3. Step 3: Cross multiply
    93,230.48x = 139,849.56 × 48,832.40
  4. Step 4: Simplify right side
    93,230.48x = 6,829,189,653.74
  5. Step 5: Solve for x
    x = 6,829,189,653.74/93,230.48
  6. Step 6: Final answer
    x = 73,250.61

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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.