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Finding the Fourth Proportional to 171,652.23, 257,478.37 and 53,323.56

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Solution

The fourth proportional to 171,652.23, 257,478.37 and 53,323.56 is: 79,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,652.23 : 257,478.37 = 53,323.56 : x
  2. Step 2: Convert to fraction form
    171,652.23/257,478.37 = 53,323.56/x
  3. Step 3: Cross multiply
    171,652.23x = 257,478.37 × 53,323.56
  4. Step 4: Simplify right side
    171,652.23x = 13,729,663,178.09
  5. Step 5: Solve for x
    x = 13,729,663,178.09/171,652.23
  6. Step 6: Final answer
    x = 79,985.35

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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.