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Finding the Fourth Proportional to 93,079.80, 139,619.70 and 36,933.30

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Solution

The fourth proportional to 93,079.80, 139,619.70 and 36,933.30 is: 55,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,079.80 : 139,619.70 = 36,933.30 : x
  2. Step 2: Convert to fraction form
    93,079.80/139,619.70 = 36,933.30/x
  3. Step 3: Cross multiply
    93,079.80x = 139,619.70 × 36,933.30
  4. Step 4: Simplify right side
    93,079.80x = 5,156,616,266.01
  5. Step 5: Solve for x
    x = 5,156,616,266.01/93,079.80
  6. Step 6: Final answer
    x = 55,399.95

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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.