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Finding the Fourth Proportional to 104,089.50, 143,643.51 and 59,377.50

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Solution

The fourth proportional to 104,089.50, 143,643.51 and 59,377.50 is: 81,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,089.50 : 143,643.51 = 59,377.50 : x
  2. Step 2: Convert to fraction form
    104,089.50/143,643.51 = 59,377.50/x
  3. Step 3: Cross multiply
    104,089.50x = 143,643.51 × 59,377.50
  4. Step 4: Simplify right side
    104,089.50x = 8,529,192,515.03
  5. Step 5: Solve for x
    x = 8,529,192,515.03/104,089.50
  6. Step 6: Final answer
    x = 81,940.95

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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.