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Finding the Fourth Proportional to 374,364.66, 561,515.44 and 161,123.96

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Solution

The fourth proportional to 374,364.66, 561,515.44 and 161,123.96 is: 241,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,364.66 : 561,515.44 = 161,123.96 : x
  2. Step 2: Convert to fraction form
    374,364.66/561,515.44 = 161,123.96/x
  3. Step 3: Cross multiply
    374,364.66x = 561,515.44 × 161,123.96
  4. Step 4: Simplify right side
    374,364.66x = 90,473,591,017.77
  5. Step 5: Solve for x
    x = 90,473,591,017.77/374,364.66
  6. Step 6: Final answer
    x = 241,672.36

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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.