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Finding the Fourth Proportional to 75,100.14, 103,631.16 and 44,879.46

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Solution

The fourth proportional to 75,100.14, 103,631.16 and 44,879.46 is: 61,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,100.14 : 103,631.16 = 44,879.46 : x
  2. Step 2: Convert to fraction form
    75,100.14/103,631.16 = 44,879.46/x
  3. Step 3: Cross multiply
    75,100.14x = 103,631.16 × 44,879.46
  4. Step 4: Simplify right side
    75,100.14x = 4,650,910,499.97
  5. Step 5: Solve for x
    x = 4,650,910,499.97/75,100.14
  6. Step 6: Final answer
    x = 61,929.45

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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.