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Finding the Fourth Proportional to 168,069.72, 252,143.74 and 55,741.72

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Solution

The fourth proportional to 168,069.72, 252,143.74 and 55,741.72 is: 83,625.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,069.72 : 252,143.74 = 55,741.72 : x
  2. Step 2: Convert to fraction form
    168,069.72/252,143.74 = 55,741.72/x
  3. Step 3: Cross multiply
    168,069.72x = 252,143.74 × 55,741.72
  4. Step 4: Simplify right side
    168,069.72x = 14,054,925,754.83
  5. Step 5: Solve for x
    x = 14,054,925,754.83/168,069.72
  6. Step 6: Final answer
    x = 83,625.57

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1.5x scale

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.