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Finding the Fourth Proportional to 112,965, 169,329.26 and 38,059.26

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Solution

The fourth proportional to 112,965, 169,329.26 and 38,059.26 is: 57,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,965 : 169,329.26 = 38,059.26 : x
  2. Step 2: Convert to fraction form
    112,965/169,329.26 = 38,059.26/x
  3. Step 3: Cross multiply
    112,965x = 169,329.26 × 38,059.26
  4. Step 4: Simplify right side
    112,965x = 6,444,546,331.95
  5. Step 5: Solve for x
    x = 6,444,546,331.95/112,965
  6. Step 6: Final answer
    x = 57,049.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.