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Finding the Fourth Proportional to 171,570.10, 257,527.95 and 82,894.90

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Solution

The fourth proportional to 171,570.10, 257,527.95 and 82,894.90 is: 124,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,570.10 : 257,527.95 = 82,894.90 : x
  2. Step 2: Convert to fraction form
    171,570.10/257,527.95 = 82,894.90/x
  3. Step 3: Cross multiply
    171,570.10x = 257,527.95 × 82,894.90
  4. Step 4: Simplify right side
    171,570.10x = 21,347,753,662.46
  5. Step 5: Solve for x
    x = 21,347,753,662.46/171,570.10
  6. Step 6: Final answer
    x = 124,425.84

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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.