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Finding the Fourth Proportional to 374,709.90, 562,094.19 and 108,474.42

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Solution

The fourth proportional to 374,709.90, 562,094.19 and 108,474.42 is: 162,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,709.90 : 562,094.19 = 108,474.42 : x
  2. Step 2: Convert to fraction form
    374,709.90/562,094.19 = 108,474.42/x
  3. Step 3: Cross multiply
    374,709.90x = 562,094.19 × 108,474.42
  4. Step 4: Simplify right side
    374,709.90x = 60,972,841,245.62
  5. Step 5: Solve for x
    x = 60,972,841,245.62/374,709.90
  6. Step 6: Final answer
    x = 162,720.12

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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.