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Finding the Fourth Proportional to 170,574.52, 255,654.22 and 120,669.00

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Solution

The fourth proportional to 170,574.52, 255,654.22 and 120,669.00 is: 180,856.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,574.52 : 255,654.22 = 120,669.00 : x
  2. Step 2: Convert to fraction form
    170,574.52/255,654.22 = 120,669.00/x
  3. Step 3: Cross multiply
    170,574.52x = 255,654.22 × 120,669.00
  4. Step 4: Simplify right side
    170,574.52x = 30,849,537,191.56
  5. Step 5: Solve for x
    x = 30,849,537,191.56/170,574.52
  6. Step 6: Final answer
    x = 180,856.66

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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.