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Finding the Fourth Proportional to 91,880.87, 137,733.82 and 29,507.63

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Solution

The fourth proportional to 91,880.87, 137,733.82 and 29,507.63 is: 44,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,880.87 : 137,733.82 = 29,507.63 : x
  2. Step 2: Convert to fraction form
    91,880.87/137,733.82 = 29,507.63/x
  3. Step 3: Cross multiply
    91,880.87x = 137,733.82 × 29,507.63
  4. Step 4: Simplify right side
    91,880.87x = 4,064,197,836.61
  5. Step 5: Solve for x
    x = 4,064,197,836.61/91,880.87
  6. Step 6: Final answer
    x = 44,233.34

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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.