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Finding the Fourth Proportional to 94,203.60, 129,993.42 and 53,908.12

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Solution

The fourth proportional to 94,203.60, 129,993.42 and 53,908.12 is: 74,388.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,203.60 : 129,993.42 = 53,908.12 : x
  2. Step 2: Convert to fraction form
    94,203.60/129,993.42 = 53,908.12/x
  3. Step 3: Cross multiply
    94,203.60x = 129,993.42 × 53,908.12
  4. Step 4: Simplify right side
    94,203.60x = 7,007,700,884.57
  5. Step 5: Solve for x
    x = 7,007,700,884.57/94,203.60
  6. Step 6: Final answer
    x = 74,388.89

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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.