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Finding the Fourth Proportional to 75,149.50, 112,741.53 and 25,901.50

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Solution

The fourth proportional to 75,149.50, 112,741.53 and 25,901.50 is: 38,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,149.50 : 112,741.53 = 25,901.50 : x
  2. Step 2: Convert to fraction form
    75,149.50/112,741.53 = 25,901.50/x
  3. Step 3: Cross multiply
    75,149.50x = 112,741.53 × 25,901.50
  4. Step 4: Simplify right side
    75,149.50x = 2,920,174,739.30
  5. Step 5: Solve for x
    x = 2,920,174,739.30/75,149.50
  6. Step 6: Final answer
    x = 38,858.21

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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.