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Finding the Fourth Proportional to 374,269.68, 561,394.80 and 93,789.36

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Solution

The fourth proportional to 374,269.68, 561,394.80 and 93,789.36 is: 140,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,269.68 : 561,394.80 = 93,789.36 : x
  2. Step 2: Convert to fraction form
    374,269.68/561,394.80 = 93,789.36/x
  3. Step 3: Cross multiply
    374,269.68x = 561,394.80 × 93,789.36
  4. Step 4: Simplify right side
    374,269.68x = 52,652,858,999.33
  5. Step 5: Solve for x
    x = 52,652,858,999.33/374,269.68
  6. Step 6: Final answer
    x = 140,681.60

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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.