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Finding the Fourth Proportional to 374,958.17, 562,519.88 and 108,729.80

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Solution

The fourth proportional to 374,958.17, 562,519.88 and 108,729.80 is: 163,118.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,958.17 : 562,519.88 = 108,729.80 : x
  2. Step 2: Convert to fraction form
    374,958.17/562,519.88 = 108,729.80/x
  3. Step 3: Cross multiply
    374,958.17x = 562,519.88 × 108,729.80
  4. Step 4: Simplify right side
    374,958.17x = 61,162,674,048.42
  5. Step 5: Solve for x
    x = 61,162,674,048.42/374,958.17
  6. Step 6: Final answer
    x = 163,118.66

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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.