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Finding the Fourth Proportional to 94,118.99, 129,884.94 and 53,830.34

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Solution

The fourth proportional to 94,118.99, 129,884.94 and 53,830.34 is: 74,286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,118.99 : 129,884.94 = 53,830.34 : x
  2. Step 2: Convert to fraction form
    94,118.99/129,884.94 = 53,830.34/x
  3. Step 3: Cross multiply
    94,118.99x = 129,884.94 × 53,830.34
  4. Step 4: Simplify right side
    94,118.99x = 6,991,750,481.08
  5. Step 5: Solve for x
    x = 6,991,750,481.08/94,118.99
  6. Step 6: Final answer
    x = 74,286.29

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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.