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Finding the Fourth Proportional to 91,880.74, 137,733.63 and 29,507.50

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Solution

The fourth proportional to 91,880.74, 137,733.63 and 29,507.50 is: 44,233.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,880.74 : 137,733.63 = 29,507.50 : x
  2. Step 2: Convert to fraction form
    91,880.74/137,733.63 = 29,507.50/x
  3. Step 3: Cross multiply
    91,880.74x = 137,733.63 × 29,507.50
  4. Step 4: Simplify right side
    91,880.74x = 4,064,175,087.23
  5. Step 5: Solve for x
    x = 4,064,175,087.23/91,880.74
  6. Step 6: Final answer
    x = 44,233.16

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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.