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Finding the Fourth Proportional to 293,193.60, 439,782.30 and 93,525.90

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Solution

The fourth proportional to 293,193.60, 439,782.30 and 93,525.90 is: 140,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,193.60 : 439,782.30 = 93,525.90 : x
  2. Step 2: Convert to fraction form
    293,193.60/439,782.30 = 93,525.90/x
  3. Step 3: Cross multiply
    293,193.60x = 439,782.30 × 93,525.90
  4. Step 4: Simplify right side
    293,193.60x = 41,131,035,411.57
  5. Step 5: Solve for x
    x = 41,131,035,411.57/293,193.60
  6. Step 6: Final answer
    x = 140,286.27

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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.