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Finding the Fourth Proportional to 104,236.27, 143,846.17 and 56,489.62

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Solution

The fourth proportional to 104,236.27, 143,846.17 and 56,489.62 is: 77,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,236.27 : 143,846.17 = 56,489.62 : x
  2. Step 2: Convert to fraction form
    104,236.27/143,846.17 = 56,489.62/x
  3. Step 3: Cross multiply
    104,236.27x = 143,846.17 × 56,489.62
  4. Step 4: Simplify right side
    104,236.27x = 8,125,814,762.52
  5. Step 5: Solve for x
    x = 8,125,814,762.52/104,236.27
  6. Step 6: Final answer
    x = 77,955.74

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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.