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Finding the Fourth Proportional to 93,963.44, 129,666.62 and 55,745.62

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Solution

The fourth proportional to 93,963.44, 129,666.62 and 55,745.62 is: 76,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,963.44 : 129,666.62 = 55,745.62 : x
  2. Step 2: Convert to fraction form
    93,963.44/129,666.62 = 55,745.62/x
  3. Step 3: Cross multiply
    93,963.44x = 129,666.62 × 55,745.62
  4. Step 4: Simplify right side
    93,963.44x = 7,228,345,940.40
  5. Step 5: Solve for x
    x = 7,228,345,940.40/93,963.44
  6. Step 6: Final answer
    x = 76,927.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.