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Finding the Fourth Proportional to 293,625.60, 440,438.40 and 106,612.80

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Solution

The fourth proportional to 293,625.60, 440,438.40 and 106,612.80 is: 159,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,625.60 : 440,438.40 = 106,612.80 : x
  2. Step 2: Convert to fraction form
    293,625.60/440,438.40 = 106,612.80/x
  3. Step 3: Cross multiply
    293,625.60x = 440,438.40 × 106,612.80
  4. Step 4: Simplify right side
    293,625.60x = 46,956,371,051.52
  5. Step 5: Solve for x
    x = 46,956,371,051.52/293,625.60
  6. Step 6: Final answer
    x = 159,919.20

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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.