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Finding the Fourth Proportional to 171,352.95, 257,040.36 and 53,014.38

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Solution

The fourth proportional to 171,352.95, 257,040.36 and 53,014.38 is: 79,524.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,352.95 : 257,040.36 = 53,014.38 : x
  2. Step 2: Convert to fraction form
    171,352.95/257,040.36 = 53,014.38/x
  3. Step 3: Cross multiply
    171,352.95x = 257,040.36 × 53,014.38
  4. Step 4: Simplify right side
    171,352.95x = 13,626,835,320.38
  5. Step 5: Solve for x
    x = 13,626,835,320.38/171,352.95
  6. Step 6: Final answer
    x = 79,524.95

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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.