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Finding the Fourth Proportional to 93,225.08, 139,783.62 and 63,678.62

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Solution

The fourth proportional to 93,225.08, 139,783.62 and 63,678.62 is: 95,481.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,225.08 : 139,783.62 = 63,678.62 : x
  2. Step 2: Convert to fraction form
    93,225.08/139,783.62 = 63,678.62/x
  3. Step 3: Cross multiply
    93,225.08x = 139,783.62 × 63,678.62
  4. Step 4: Simplify right side
    93,225.08x = 8,901,228,020.20
  5. Step 5: Solve for x
    x = 8,901,228,020.20/93,225.08
  6. Step 6: Final answer
    x = 95,481.04

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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.