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Finding the Fourth Proportional to 106,388.68, 160,328.83 and 95,870.56

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Solution

The fourth proportional to 106,388.68, 160,328.83 and 95,870.56 is: 144,477.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,388.68 : 160,328.83 = 95,870.56 : x
  2. Step 2: Convert to fraction form
    106,388.68/160,328.83 = 95,870.56/x
  3. Step 3: Cross multiply
    106,388.68x = 160,328.83 × 95,870.56
  4. Step 4: Simplify right side
    106,388.68x = 15,370,814,716.24
  5. Step 5: Solve for x
    x = 15,370,814,716.24/106,388.68
  6. Step 6: Final answer
    x = 144,477.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.