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Finding the Fourth Proportional to 94,405.40, 130,279.49 and 51,963.63

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Solution

The fourth proportional to 94,405.40, 130,279.49 and 51,963.63 is: 71,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,405.40 : 130,279.49 = 51,963.63 : x
  2. Step 2: Convert to fraction form
    94,405.40/130,279.49 = 51,963.63/x
  3. Step 3: Cross multiply
    94,405.40x = 130,279.49 × 51,963.63
  4. Step 4: Simplify right side
    94,405.40x = 6,769,795,214.95
  5. Step 5: Solve for x
    x = 6,769,795,214.95/94,405.40
  6. Step 6: Final answer
    x = 71,709.83

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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.