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Finding the Fourth Proportional to 94,679.98, 130,664.78 and 54,409.80

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Solution

The fourth proportional to 94,679.98, 130,664.78 and 54,409.80 is: 75,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,679.98 : 130,664.78 = 54,409.80 : x
  2. Step 2: Convert to fraction form
    94,679.98/130,664.78 = 54,409.80/x
  3. Step 3: Cross multiply
    94,679.98x = 130,664.78 × 54,409.80
  4. Step 4: Simplify right side
    94,679.98x = 7,109,444,546.84
  5. Step 5: Solve for x
    x = 7,109,444,546.84/94,679.98
  6. Step 6: Final answer
    x = 75,089.21

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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.