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Finding the Fourth Proportional to 168,315.64, 252,296.24 and 55,965.67

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Solution

The fourth proportional to 168,315.64, 252,296.24 and 55,965.67 is: 83,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,315.64 : 252,296.24 = 55,965.67 : x
  2. Step 2: Convert to fraction form
    168,315.64/252,296.24 = 55,965.67/x
  3. Step 3: Cross multiply
    168,315.64x = 252,296.24 × 55,965.67
  4. Step 4: Simplify right side
    168,315.64x = 14,119,927,199.51
  5. Step 5: Solve for x
    x = 14,119,927,199.51/168,315.64
  6. Step 6: Final answer
    x = 83,889.57

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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.