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Finding the Fourth Proportional to 93,294.66, 139,942.62 and 34,105.98

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Solution

The fourth proportional to 93,294.66, 139,942.62 and 34,105.98 is: 51,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,294.66 : 139,942.62 = 34,105.98 : x
  2. Step 2: Convert to fraction form
    93,294.66/139,942.62 = 34,105.98/x
  3. Step 3: Cross multiply
    93,294.66x = 139,942.62 × 34,105.98
  4. Step 4: Simplify right side
    93,294.66x = 4,772,880,198.87
  5. Step 5: Solve for x
    x = 4,772,880,198.87/93,294.66
  6. Step 6: Final answer
    x = 51,159.20

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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.