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Finding the Fourth Proportional to 93,279.74, 139,940.40 and 34,114.10

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Solution

The fourth proportional to 93,279.74, 139,940.40 and 34,114.10 is: 51,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,279.74 : 139,940.40 = 34,114.10 : x
  2. Step 2: Convert to fraction form
    93,279.74/139,940.40 = 34,114.10/x
  3. Step 3: Cross multiply
    93,279.74x = 139,940.40 × 34,114.10
  4. Step 4: Simplify right side
    93,279.74x = 4,773,940,799.64
  5. Step 5: Solve for x
    x = 4,773,940,799.64/93,279.74
  6. Step 6: Final answer
    x = 51,178.75

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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.