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Finding the Fourth Proportional to 74,788.62, 112,204.77 and 22,199.46

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Solution

The fourth proportional to 74,788.62, 112,204.77 and 22,199.46 is: 33,305.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,788.62 : 112,204.77 = 22,199.46 : x
  2. Step 2: Convert to fraction form
    74,788.62/112,204.77 = 22,199.46/x
  3. Step 3: Cross multiply
    74,788.62x = 112,204.77 × 22,199.46
  4. Step 4: Simplify right side
    74,788.62x = 2,490,885,303.42
  5. Step 5: Solve for x
    x = 2,490,885,303.42/74,788.62
  6. Step 6: Final answer
    x = 33,305.67

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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.