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Finding the Fourth Proportional to 188,992.88, 260,692.92 and 112,460.24

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Solution

The fourth proportional to 188,992.88, 260,692.92 and 112,460.24 is: 155,125.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,992.88 : 260,692.92 = 112,460.24 : x
  2. Step 2: Convert to fraction form
    188,992.88/260,692.92 = 112,460.24/x
  3. Step 3: Cross multiply
    188,992.88x = 260,692.92 × 112,460.24
  4. Step 4: Simplify right side
    188,992.88x = 29,317,588,349.50
  5. Step 5: Solve for x
    x = 29,317,588,349.50/188,992.88
  6. Step 6: Final answer
    x = 155,125.36

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1.5x scale

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.