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Finding the Fourth Proportional to 171,888.30, 257,832.45 and 53,569.14

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Solution

The fourth proportional to 171,888.30, 257,832.45 and 53,569.14 is: 80,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,888.30 : 257,832.45 = 53,569.14 : x
  2. Step 2: Convert to fraction form
    171,888.30/257,832.45 = 53,569.14/x
  3. Step 3: Cross multiply
    171,888.30x = 257,832.45 × 53,569.14
  4. Step 4: Simplify right side
    171,888.30x = 13,811,862,610.59
  5. Step 5: Solve for x
    x = 13,811,862,610.59/171,888.30
  6. Step 6: Final answer
    x = 80,353.71

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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.