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Finding the Fourth Proportional to 102,797.39, 154,218.75 and 43,683.59

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Solution

The fourth proportional to 102,797.39, 154,218.75 and 43,683.59 is: 65,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,797.39 : 154,218.75 = 43,683.59 : x
  2. Step 2: Convert to fraction form
    102,797.39/154,218.75 = 43,683.59/x
  3. Step 3: Cross multiply
    102,797.39x = 154,218.75 × 43,683.59
  4. Step 4: Simplify right side
    102,797.39x = 6,736,828,645.31
  5. Step 5: Solve for x
    x = 6,736,828,645.31/102,797.39
  6. Step 6: Final answer
    x = 65,535.02

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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.