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Finding the Fourth Proportional to 93,252.70, 139,920.39 and 48,868.90

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Solution

The fourth proportional to 93,252.70, 139,920.39 and 48,868.90 is: 73,325.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,252.70 : 139,920.39 = 48,868.90 : x
  2. Step 2: Convert to fraction form
    93,252.70/139,920.39 = 48,868.90/x
  3. Step 3: Cross multiply
    93,252.70x = 139,920.39 × 48,868.90
  4. Step 4: Simplify right side
    93,252.70x = 6,837,755,546.87
  5. Step 5: Solve for x
    x = 6,837,755,546.87/93,252.70
  6. Step 6: Final answer
    x = 73,325.01

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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.