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Finding the Fourth Proportional to 57,197.94, 86,235.72 and 53,339.16

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Solution

The fourth proportional to 57,197.94, 86,235.72 and 53,339.16 is: 80,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,197.94 : 86,235.72 = 53,339.16 : x
  2. Step 2: Convert to fraction form
    57,197.94/86,235.72 = 53,339.16/x
  3. Step 3: Cross multiply
    57,197.94x = 86,235.72 × 53,339.16
  4. Step 4: Simplify right side
    57,197.94x = 4,599,740,866.80
  5. Step 5: Solve for x
    x = 4,599,740,866.80/57,197.94
  6. Step 6: Final answer
    x = 80,417.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.