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Finding the Fourth Proportional to 104,079.50, 143,629.74 and 59,367.50

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Solution

The fourth proportional to 104,079.50, 143,629.74 and 59,367.50 is: 81,927.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,079.50 : 143,629.74 = 59,367.50 : x
  2. Step 2: Convert to fraction form
    104,079.50/143,629.74 = 59,367.50/x
  3. Step 3: Cross multiply
    104,079.50x = 143,629.74 × 59,367.50
  4. Step 4: Simplify right side
    104,079.50x = 8,526,938,589.45
  5. Step 5: Solve for x
    x = 8,526,938,589.45/104,079.50
  6. Step 6: Final answer
    x = 81,927.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.