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Finding the Fourth Proportional to 374,809.14, 562,213.71 and 108,569.75

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Solution

The fourth proportional to 374,809.14, 562,213.71 and 108,569.75 is: 162,854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,809.14 : 562,213.71 = 108,569.75 : x
  2. Step 2: Convert to fraction form
    374,809.14/562,213.71 = 108,569.75/x
  3. Step 3: Cross multiply
    374,809.14x = 562,213.71 × 108,569.75
  4. Step 4: Simplify right side
    374,809.14x = 61,039,401,941.27
  5. Step 5: Solve for x
    x = 61,039,401,941.27/374,809.14
  6. Step 6: Final answer
    x = 162,854.63

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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.