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Finding the Fourth Proportional to 79,444.69, 109,643.40 and 45,910.69

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Solution

The fourth proportional to 79,444.69, 109,643.40 and 45,910.69 is: 63,362.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,444.69 : 109,643.40 = 45,910.69 : x
  2. Step 2: Convert to fraction form
    79,444.69/109,643.40 = 45,910.69/x
  3. Step 3: Cross multiply
    79,444.69x = 109,643.40 × 45,910.69
  4. Step 4: Simplify right side
    79,444.69x = 5,033,803,873.84
  5. Step 5: Solve for x
    x = 5,033,803,873.84/79,444.69
  6. Step 6: Final answer
    x = 63,362.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.