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Finding the Fourth Proportional to 374,543.82, 561,699.09 and 125,167.50

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Solution

The fourth proportional to 374,543.82, 561,699.09 and 125,167.50 is: 187,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,543.82 : 561,699.09 = 125,167.50 : x
  2. Step 2: Convert to fraction form
    374,543.82/561,699.09 = 125,167.50/x
  3. Step 3: Cross multiply
    374,543.82x = 561,699.09 × 125,167.50
  4. Step 4: Simplify right side
    374,543.82x = 70,306,470,847.58
  5. Step 5: Solve for x
    x = 70,306,470,847.58/374,543.82
  6. Step 6: Final answer
    x = 187,712.27

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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.