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Finding the Fourth Proportional to 247,692.30, 341,802.63 and 134,514.78

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Solution

The fourth proportional to 247,692.30, 341,802.63 and 134,514.78 is: 185,623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,692.30 : 341,802.63 = 134,514.78 : x
  2. Step 2: Convert to fraction form
    247,692.30/341,802.63 = 134,514.78/x
  3. Step 3: Cross multiply
    247,692.30x = 341,802.63 × 134,514.78
  4. Step 4: Simplify right side
    247,692.30x = 45,977,505,577.87
  5. Step 5: Solve for x
    x = 45,977,505,577.87/247,692.30
  6. Step 6: Final answer
    x = 185,623.48

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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.