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Finding the Fourth Proportional to 83,194.45, 124,759.78 and 65,460.00

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Solution

The fourth proportional to 83,194.45, 124,759.78 and 65,460.00 is: 98,164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,194.45 : 124,759.78 = 65,460.00 : x
  2. Step 2: Convert to fraction form
    83,194.45/124,759.78 = 65,460.00/x
  3. Step 3: Cross multiply
    83,194.45x = 124,759.78 × 65,460.00
  4. Step 4: Simplify right side
    83,194.45x = 8,166,775,503.00
  5. Step 5: Solve for x
    x = 8,166,775,503.00/83,194.45
  6. Step 6: Final answer
    x = 98,164.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.