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Finding the Fourth Proportional to 91,703.71, 137,546.35 and 25,150.53

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Solution

The fourth proportional to 91,703.71, 137,546.35 and 25,150.53 is: 37,723.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,703.71 : 137,546.35 = 25,150.53 : x
  2. Step 2: Convert to fraction form
    91,703.71/137,546.35 = 25,150.53/x
  3. Step 3: Cross multiply
    91,703.71x = 137,546.35 × 25,150.53
  4. Step 4: Simplify right side
    91,703.71x = 3,459,363,539.19
  5. Step 5: Solve for x
    x = 3,459,363,539.19/91,703.71
  6. Step 6: Final answer
    x = 37,723.27

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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.