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Finding the Fourth Proportional to 170,176.94, 255,303.48 and 51,857.54

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Solution

The fourth proportional to 170,176.94, 255,303.48 and 51,857.54 is: 77,797.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,176.94 : 255,303.48 = 51,857.54 : x
  2. Step 2: Convert to fraction form
    170,176.94/255,303.48 = 51,857.54/x
  3. Step 3: Cross multiply
    170,176.94x = 255,303.48 × 51,857.54
  4. Step 4: Simplify right side
    170,176.94x = 13,239,410,426.24
  5. Step 5: Solve for x
    x = 13,239,410,426.24/170,176.94
  6. Step 6: Final answer
    x = 77,797.91

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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.