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Finding the Fourth Proportional to 106,324.40, 159,457.80 and 53,764.40

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Solution

The fourth proportional to 106,324.40, 159,457.80 and 53,764.40 is: 80,632.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,324.40 : 159,457.80 = 53,764.40 : x
  2. Step 2: Convert to fraction form
    106,324.40/159,457.80 = 53,764.40/x
  3. Step 3: Cross multiply
    106,324.40x = 159,457.80 × 53,764.40
  4. Step 4: Simplify right side
    106,324.40x = 8,573,152,942.32
  5. Step 5: Solve for x
    x = 8,573,152,942.32/106,324.40
  6. Step 6: Final answer
    x = 80,632.04

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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.