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Finding the Fourth Proportional to 93,224.58, 139,782.87 and 63,678.12

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Solution

The fourth proportional to 93,224.58, 139,782.87 and 63,678.12 is: 95,480.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,224.58 : 139,782.87 = 63,678.12 : x
  2. Step 2: Convert to fraction form
    93,224.58/139,782.87 = 63,678.12/x
  3. Step 3: Cross multiply
    93,224.58x = 139,782.87 × 63,678.12
  4. Step 4: Simplify right side
    93,224.58x = 8,901,110,369.80
  5. Step 5: Solve for x
    x = 8,901,110,369.80/93,224.58
  6. Step 6: Final answer
    x = 95,480.29

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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.