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Finding the Fourth Proportional to 93,219.08, 139,774.62 and 63,672.62

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Solution

The fourth proportional to 93,219.08, 139,774.62 and 63,672.62 is: 95,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,219.08 : 139,774.62 = 63,672.62 : x
  2. Step 2: Convert to fraction form
    93,219.08/139,774.62 = 63,672.62/x
  3. Step 3: Cross multiply
    93,219.08x = 139,774.62 × 63,672.62
  4. Step 4: Simplify right side
    93,219.08x = 8,899,816,264.90
  5. Step 5: Solve for x
    x = 8,899,816,264.90/93,219.08
  6. Step 6: Final answer
    x = 95,472.05

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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.