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Finding the Fourth Proportional to 73,100.17, 100,879.08 and 42,886.01

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Solution

The fourth proportional to 73,100.17, 100,879.08 and 42,886.01 is: 59,183.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,100.17 : 100,879.08 = 42,886.01 : x
  2. Step 2: Convert to fraction form
    73,100.17/100,879.08 = 42,886.01/x
  3. Step 3: Cross multiply
    73,100.17x = 100,879.08 × 42,886.01
  4. Step 4: Simplify right side
    73,100.17x = 4,326,301,233.67
  5. Step 5: Solve for x
    x = 4,326,301,233.67/73,100.17
  6. Step 6: Final answer
    x = 59,183.19

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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.