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Finding the Fourth Proportional to 125,652.56, 188,208.16 and 58,992.80

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Solution

The fourth proportional to 125,652.56, 188,208.16 and 58,992.80 is: 88,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,652.56 : 188,208.16 = 58,992.80 : x
  2. Step 2: Convert to fraction form
    125,652.56/188,208.16 = 58,992.80/x
  3. Step 3: Cross multiply
    125,652.56x = 188,208.16 × 58,992.80
  4. Step 4: Simplify right side
    125,652.56x = 11,102,925,252.73
  5. Step 5: Solve for x
    x = 11,102,925,252.73/125,652.56
  6. Step 6: Final answer
    x = 88,362.11

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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.