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Finding the Fourth Proportional to 170,728.68, 255,871.58 and 114,484.51

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Solution

The fourth proportional to 170,728.68, 255,871.58 and 114,484.51 is: 171,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,728.68 : 255,871.58 = 114,484.51 : x
  2. Step 2: Convert to fraction form
    170,728.68/255,871.58 = 114,484.51/x
  3. Step 3: Cross multiply
    170,728.68x = 255,871.58 × 114,484.51
  4. Step 4: Simplify right side
    170,728.68x = 29,293,331,247.12
  5. Step 5: Solve for x
    x = 29,293,331,247.12/170,728.68
  6. Step 6: Final answer
    x = 171,578.27

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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.