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Finding the Fourth Proportional to 93,280.80, 139,962.56 and 48,896.96

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Solution

The fourth proportional to 93,280.80, 139,962.56 and 48,896.96 is: 73,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,280.80 : 139,962.56 = 48,896.96 : x
  2. Step 2: Convert to fraction form
    93,280.80/139,962.56 = 48,896.96/x
  3. Step 3: Cross multiply
    93,280.80x = 139,962.56 × 48,896.96
  4. Step 4: Simplify right side
    93,280.80x = 6,843,743,697.82
  5. Step 5: Solve for x
    x = 6,843,743,697.82/93,280.80
  6. Step 6: Final answer
    x = 73,367.12

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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.