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Finding the Fourth Proportional to 84,091.59, 116,054.60 and 62,833.95

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Solution

The fourth proportional to 84,091.59, 116,054.60 and 62,833.95 is: 86,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,091.59 : 116,054.60 = 62,833.95 : x
  2. Step 2: Convert to fraction form
    84,091.59/116,054.60 = 62,833.95/x
  3. Step 3: Cross multiply
    84,091.59x = 116,054.60 × 62,833.95
  4. Step 4: Simplify right side
    84,091.59x = 7,292,168,619.50
  5. Step 5: Solve for x
    x = 7,292,168,619.50/84,091.59
  6. Step 6: Final answer
    x = 86,716.98

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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.