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Finding the Fourth Proportional to 169,552.85, 234,015.21 and 112,193.30

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Solution

The fourth proportional to 169,552.85, 234,015.21 and 112,193.30 is: 154,848.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,552.85 : 234,015.21 = 112,193.30 : x
  2. Step 2: Convert to fraction form
    169,552.85/234,015.21 = 112,193.30/x
  3. Step 3: Cross multiply
    169,552.85x = 234,015.21 × 112,193.30
  4. Step 4: Simplify right side
    169,552.85x = 26,254,939,245.13
  5. Step 5: Solve for x
    x = 26,254,939,245.13/169,552.85
  6. Step 6: Final answer
    x = 154,848.12

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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.