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Finding the Fourth Proportional to 125,772.17, 188,661.49 and 37,028.57

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Solution

The fourth proportional to 125,772.17, 188,661.49 and 37,028.57 is: 55,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,772.17 : 188,661.49 = 37,028.57 : x
  2. Step 2: Convert to fraction form
    125,772.17/188,661.49 = 37,028.57/x
  3. Step 3: Cross multiply
    125,772.17x = 188,661.49 × 37,028.57
  4. Step 4: Simplify right side
    125,772.17x = 6,985,864,152.89
  5. Step 5: Solve for x
    x = 6,985,864,152.89/125,772.17
  6. Step 6: Final answer
    x = 55,543.80

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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.