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Finding the Fourth Proportional to 84,071.73, 116,019.78 and 46,347.33

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Solution

The fourth proportional to 84,071.73, 116,019.78 and 46,347.33 is: 63,959.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,071.73 : 116,019.78 = 46,347.33 : x
  2. Step 2: Convert to fraction form
    84,071.73/116,019.78 = 46,347.33/x
  3. Step 3: Cross multiply
    84,071.73x = 116,019.78 × 46,347.33
  4. Step 4: Simplify right side
    84,071.73x = 5,377,207,030.19
  5. Step 5: Solve for x
    x = 5,377,207,030.19/84,071.73
  6. Step 6: Final answer
    x = 63,959.75

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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.