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Finding the Fourth Proportional to 190,691.95, 286,484.57 and 179,919.95

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Solution

The fourth proportional to 190,691.95, 286,484.57 and 179,919.95 is: 270,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,691.95 : 286,484.57 = 179,919.95 : x
  2. Step 2: Convert to fraction form
    190,691.95/286,484.57 = 179,919.95/x
  3. Step 3: Cross multiply
    190,691.95x = 286,484.57 × 179,919.95
  4. Step 4: Simplify right side
    190,691.95x = 51,544,289,510.17
  5. Step 5: Solve for x
    x = 51,544,289,510.17/190,691.95
  6. Step 6: Final answer
    x = 270,301.34

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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.