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Finding the Fourth Proportional to 93,049.21, 139,520.96 and 63,502.84

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Solution

The fourth proportional to 93,049.21, 139,520.96 and 63,502.84 is: 95,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,049.21 : 139,520.96 = 63,502.84 : x
  2. Step 2: Convert to fraction form
    93,049.21/139,520.96 = 63,502.84/x
  3. Step 3: Cross multiply
    93,049.21x = 139,520.96 × 63,502.84
  4. Step 4: Simplify right side
    93,049.21x = 8,859,977,199.53
  5. Step 5: Solve for x
    x = 8,859,977,199.53/93,049.21
  6. Step 6: Final answer
    x = 95,218.19

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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.