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Finding the Fourth Proportional to 84,892.68, 117,155.60 and 47,166.92

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Solution

The fourth proportional to 84,892.68, 117,155.60 and 47,166.92 is: 65,092.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,892.68 : 117,155.60 = 47,166.92 : x
  2. Step 2: Convert to fraction form
    84,892.68/117,155.60 = 47,166.92/x
  3. Step 3: Cross multiply
    84,892.68x = 117,155.60 × 47,166.92
  4. Step 4: Simplify right side
    84,892.68x = 5,525,868,812.75
  5. Step 5: Solve for x
    x = 5,525,868,812.75/84,892.68
  6. Step 6: Final answer
    x = 65,092.41

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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.