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Finding the Fourth Proportional to 125,187.22, 187,811.54 and 36,441.52

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Solution

The fourth proportional to 125,187.22, 187,811.54 and 36,441.52 is: 54,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,187.22 : 187,811.54 = 36,441.52 : x
  2. Step 2: Convert to fraction form
    125,187.22/187,811.54 = 36,441.52/x
  3. Step 3: Cross multiply
    125,187.22x = 187,811.54 × 36,441.52
  4. Step 4: Simplify right side
    125,187.22x = 6,844,137,143.19
  5. Step 5: Solve for x
    x = 6,844,137,143.19/125,187.22
  6. Step 6: Final answer
    x = 54,671.21

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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.