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Finding the Fourth Proportional to 125,973.37, 188,038.36 and 111,027.11

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Solution

The fourth proportional to 125,973.37, 188,038.36 and 111,027.11 is: 165,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,973.37 : 188,038.36 = 111,027.11 : x
  2. Step 2: Convert to fraction form
    125,973.37/188,038.36 = 111,027.11/x
  3. Step 3: Cross multiply
    125,973.37x = 188,038.36 × 111,027.11
  4. Step 4: Simplify right side
    125,973.37x = 20,877,355,679.94
  5. Step 5: Solve for x
    x = 20,877,355,679.94/125,973.37
  6. Step 6: Final answer
    x = 165,728.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.