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Finding the Fourth Proportional to 568,014.85, 852,199.08 and 168,657.72

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Solution

The fourth proportional to 568,014.85, 852,199.08 and 168,657.72 is: 253,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,014.85 : 852,199.08 = 168,657.72 : x
  2. Step 2: Convert to fraction form
    568,014.85/852,199.08 = 168,657.72/x
  3. Step 3: Cross multiply
    568,014.85x = 852,199.08 × 168,657.72
  4. Step 4: Simplify right side
    568,014.85x = 143,729,953,818.90
  5. Step 5: Solve for x
    x = 143,729,953,818.90/568,014.85
  6. Step 6: Final answer
    x = 253,039.08

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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.