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Finding the Fourth Proportional to 125,048, 187,601.84 and 40,808.32

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Solution

The fourth proportional to 125,048, 187,601.84 and 40,808.32 is: 61,222.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,048 : 187,601.84 = 40,808.32 : x
  2. Step 2: Convert to fraction form
    125,048/187,601.84 = 40,808.32/x
  3. Step 3: Cross multiply
    125,048x = 187,601.84 × 40,808.32
  4. Step 4: Simplify right side
    125,048x = 7,655,715,919.31
  5. Step 5: Solve for x
    x = 7,655,715,919.31/125,048
  6. Step 6: Final answer
    x = 61,222.22

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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.