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Finding the Fourth Proportional to 84,365.92, 116,431.92 and 46,647.52

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Solution

The fourth proportional to 84,365.92, 116,431.92 and 46,647.52 is: 64,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,365.92 : 116,431.92 = 46,647.52 : x
  2. Step 2: Convert to fraction form
    84,365.92/116,431.92 = 46,647.52/x
  3. Step 3: Cross multiply
    84,365.92x = 116,431.92 × 46,647.52
  4. Step 4: Simplify right side
    84,365.92x = 5,431,260,316.84
  5. Step 5: Solve for x
    x = 5,431,260,316.84/84,365.92
  6. Step 6: Final answer
    x = 64,377.42

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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.