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Finding the Fourth Proportional to 222,642.63, 333,761.52 and 115,901.19

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Solution

The fourth proportional to 222,642.63, 333,761.52 and 115,901.19 is: 173,746.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,642.63 : 333,761.52 = 115,901.19 : x
  2. Step 2: Convert to fraction form
    222,642.63/333,761.52 = 115,901.19/x
  3. Step 3: Cross multiply
    222,642.63x = 333,761.52 × 115,901.19
  4. Step 4: Simplify right side
    222,642.63x = 38,683,357,344.21
  5. Step 5: Solve for x
    x = 38,683,357,344.21/222,642.63
  6. Step 6: Final answer
    x = 173,746.41

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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.