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Finding the Fourth Proportional to 68,733.40, 103,050.90 and 26,577.40

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Solution

The fourth proportional to 68,733.40, 103,050.90 and 26,577.40 is: 39,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,733.40 : 103,050.90 = 26,577.40 : x
  2. Step 2: Convert to fraction form
    68,733.40/103,050.90 = 26,577.40/x
  3. Step 3: Cross multiply
    68,733.40x = 103,050.90 × 26,577.40
  4. Step 4: Simplify right side
    68,733.40x = 2,738,824,989.66
  5. Step 5: Solve for x
    x = 2,738,824,989.66/68,733.40
  6. Step 6: Final answer
    x = 39,847.08

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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.