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Finding the Fourth Proportional to 93,279.68, 139,960.74 and 48,895.82

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Solution

The fourth proportional to 93,279.68, 139,960.74 and 48,895.82 is: 73,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,279.68 : 139,960.74 = 48,895.82 : x
  2. Step 2: Convert to fraction form
    93,279.68/139,960.74 = 48,895.82/x
  3. Step 3: Cross multiply
    93,279.68x = 139,960.74 × 48,895.82
  4. Step 4: Simplify right side
    93,279.68x = 6,843,495,150.11
  5. Step 5: Solve for x
    x = 6,843,495,150.11/93,279.68
  6. Step 6: Final answer
    x = 73,365.34

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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.