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Finding the Fourth Proportional to 84,906.68, 117,172.42 and 46,669.76

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Solution

The fourth proportional to 84,906.68, 117,172.42 and 46,669.76 is: 64,404.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,906.68 : 117,172.42 = 46,669.76 : x
  2. Step 2: Convert to fraction form
    84,906.68/117,172.42 = 46,669.76/x
  3. Step 3: Cross multiply
    84,906.68x = 117,172.42 × 46,669.76
  4. Step 4: Simplify right side
    84,906.68x = 5,468,408,720.02
  5. Step 5: Solve for x
    x = 5,468,408,720.02/84,906.68
  6. Step 6: Final answer
    x = 64,404.93

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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.