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Finding the Fourth Proportional to 68,510.68, 94,559.99 and 41,647.50

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Solution

The fourth proportional to 68,510.68, 94,559.99 and 41,647.50 is: 57,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,510.68 : 94,559.99 = 41,647.50 : x
  2. Step 2: Convert to fraction form
    68,510.68/94,559.99 = 41,647.50/x
  3. Step 3: Cross multiply
    68,510.68x = 94,559.99 × 41,647.50
  4. Step 4: Simplify right side
    68,510.68x = 3,938,186,975.29
  5. Step 5: Solve for x
    x = 3,938,186,975.29/68,510.68
  6. Step 6: Final answer
    x = 57,482.82

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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.