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Finding the Fourth Proportional to 152,993.60, 229,167.84 and 69,957.44

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Solution

The fourth proportional to 152,993.60, 229,167.84 and 69,957.44 is: 104,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,993.60 : 229,167.84 = 69,957.44 : x
  2. Step 2: Convert to fraction form
    152,993.60/229,167.84 = 69,957.44/x
  3. Step 3: Cross multiply
    152,993.60x = 229,167.84 × 69,957.44
  4. Step 4: Simplify right side
    152,993.60x = 16,031,995,416.73
  5. Step 5: Solve for x
    x = 16,031,995,416.73/152,993.60
  6. Step 6: Final answer
    x = 104,788.67

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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.