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Finding the Fourth Proportional to 116,863.95, 175,235.89 and 53,629.64

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Solution

The fourth proportional to 116,863.95, 175,235.89 and 53,629.64 is: 80,416.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,863.95 : 175,235.89 = 53,629.64 : x
  2. Step 2: Convert to fraction form
    116,863.95/175,235.89 = 53,629.64/x
  3. Step 3: Cross multiply
    116,863.95x = 175,235.89 × 53,629.64
  4. Step 4: Simplify right side
    116,863.95x = 9,397,837,695.78
  5. Step 5: Solve for x
    x = 9,397,837,695.78/116,863.95
  6. Step 6: Final answer
    x = 80,416.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.