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Finding the Fourth Proportional to 374,412.84, 561,508.32 and 108,175.74

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Solution

The fourth proportional to 374,412.84, 561,508.32 and 108,175.74 is: 162,231.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,412.84 : 561,508.32 = 108,175.74 : x
  2. Step 2: Convert to fraction form
    374,412.84/561,508.32 = 108,175.74/x
  3. Step 3: Cross multiply
    374,412.84x = 561,508.32 × 108,175.74
  4. Step 4: Simplify right side
    374,412.84x = 60,741,578,032.16
  5. Step 5: Solve for x
    x = 60,741,578,032.16/374,412.84
  6. Step 6: Final answer
    x = 162,231.56

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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.