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Finding the Fourth Proportional to 188,970.44, 260,773.83 and 102,927.47

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Solution

The fourth proportional to 188,970.44, 260,773.83 and 102,927.47 is: 142,036.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,970.44 : 260,773.83 = 102,927.47 : x
  2. Step 2: Convert to fraction form
    188,970.44/260,773.83 = 102,927.47/x
  3. Step 3: Cross multiply
    188,970.44x = 260,773.83 × 102,927.47
  4. Step 4: Simplify right side
    188,970.44x = 26,840,790,564.11
  5. Step 5: Solve for x
    x = 26,840,790,564.11/188,970.44
  6. Step 6: Final answer
    x = 142,036.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.