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Finding the Fourth Proportional to 94,081.51, 129,825.70 and 53,796.97

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Solution

The fourth proportional to 94,081.51, 129,825.70 and 53,796.97 is: 74,235.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,081.51 : 129,825.70 = 53,796.97 : x
  2. Step 2: Convert to fraction form
    94,081.51/129,825.70 = 53,796.97/x
  3. Step 3: Cross multiply
    94,081.51x = 129,825.70 × 53,796.97
  4. Step 4: Simplify right side
    94,081.51x = 6,984,229,288.13
  5. Step 5: Solve for x
    x = 6,984,229,288.13/94,081.51
  6. Step 6: Final answer
    x = 74,235.94

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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.