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Finding the Fourth Proportional to 374,808.14, 562,212.21 and 108,568.75

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Solution

The fourth proportional to 374,808.14, 562,212.21 and 108,568.75 is: 162,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,808.14 : 562,212.21 = 108,568.75 : x
  2. Step 2: Convert to fraction form
    374,808.14/562,212.21 = 108,568.75/x
  3. Step 3: Cross multiply
    374,808.14x = 562,212.21 × 108,568.75
  4. Step 4: Simplify right side
    374,808.14x = 61,038,676,874.44
  5. Step 5: Solve for x
    x = 61,038,676,874.44/374,808.14
  6. Step 6: Final answer
    x = 162,853.13

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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.