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Finding the Fourth Proportional to 94,086.48, 129,838.56 and 51,642.48

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Solution

The fourth proportional to 94,086.48, 129,838.56 and 51,642.48 is: 71,266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,086.48 : 129,838.56 = 51,642.48 : x
  2. Step 2: Convert to fraction form
    94,086.48/129,838.56 = 51,642.48/x
  3. Step 3: Cross multiply
    94,086.48x = 129,838.56 × 51,642.48
  4. Step 4: Simplify right side
    94,086.48x = 6,705,185,238.03
  5. Step 5: Solve for x
    x = 6,705,185,238.03/94,086.48
  6. Step 6: Final answer
    x = 71,266.19

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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.