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Finding the Fourth Proportional to 67,290.84, 92,806.83 and 59,207.04

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Solution

The fourth proportional to 67,290.84, 92,806.83 and 59,207.04 is: 81,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,290.84 : 92,806.83 = 59,207.04 : x
  2. Step 2: Convert to fraction form
    67,290.84/92,806.83 = 59,207.04/x
  3. Step 3: Cross multiply
    67,290.84x = 92,806.83 × 59,207.04
  4. Step 4: Simplify right side
    67,290.84x = 5,494,817,696.08
  5. Step 5: Solve for x
    x = 5,494,817,696.08/67,290.84
  6. Step 6: Final answer
    x = 81,657.74

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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.