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Finding the Fourth Proportional to 93,951.60, 140,739.63 and 56,491.16

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Solution

The fourth proportional to 93,951.60, 140,739.63 and 56,491.16 is: 84,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,951.60 : 140,739.63 = 56,491.16 : x
  2. Step 2: Convert to fraction form
    93,951.60/140,739.63 = 56,491.16/x
  3. Step 3: Cross multiply
    93,951.60x = 140,739.63 × 56,491.16
  4. Step 4: Simplify right side
    93,951.60x = 7,950,544,041.13
  5. Step 5: Solve for x
    x = 7,950,544,041.13/93,951.60
  6. Step 6: Final answer
    x = 84,623.83

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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.