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Finding the Fourth Proportional to 374,171.70, 561,330.45 and 149,493.90

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Solution

The fourth proportional to 374,171.70, 561,330.45 and 149,493.90 is: 224,269.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,171.70 : 561,330.45 = 149,493.90 : x
  2. Step 2: Convert to fraction form
    374,171.70/561,330.45 = 149,493.90/x
  3. Step 3: Cross multiply
    374,171.70x = 561,330.45 × 149,493.90
  4. Step 4: Simplify right side
    374,171.70x = 83,915,478,159.26
  5. Step 5: Solve for x
    x = 83,915,478,159.26/374,171.70
  6. Step 6: Final answer
    x = 224,269.98

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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.