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Finding the Fourth Proportional to 374,920.32, 562,245.12 and 125,544.96

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Solution

The fourth proportional to 374,920.32, 562,245.12 and 125,544.96 is: 188,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,920.32 : 562,245.12 = 125,544.96 : x
  2. Step 2: Convert to fraction form
    374,920.32/562,245.12 = 125,544.96/x
  3. Step 3: Cross multiply
    374,920.32x = 562,245.12 × 125,544.96
  4. Step 4: Simplify right side
    374,920.32x = 70,587,041,100.60
  5. Step 5: Solve for x
    x = 70,587,041,100.60/374,920.32
  6. Step 6: Final answer
    x = 188,272.11

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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.