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Finding the Fourth Proportional to 374,890.60, 562,408.80 and 108,659.80

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Solution

The fourth proportional to 374,890.60, 562,408.80 and 108,659.80 is: 163,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,890.60 : 562,408.80 = 108,659.80 : x
  2. Step 2: Convert to fraction form
    374,890.60/562,408.80 = 108,659.80/x
  3. Step 3: Cross multiply
    374,890.60x = 562,408.80 × 108,659.80
  4. Step 4: Simplify right side
    374,890.60x = 61,111,227,726.24
  5. Step 5: Solve for x
    x = 61,111,227,726.24/374,890.60
  6. Step 6: Final answer
    x = 163,010.83

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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.