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Finding the Fourth Proportional to 162,093.36, 243,111.84 and 73,326.12

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Solution

The fourth proportional to 162,093.36, 243,111.84 and 73,326.12 is: 109,976.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,093.36 : 243,111.84 = 73,326.12 : x
  2. Step 2: Convert to fraction form
    162,093.36/243,111.84 = 73,326.12/x
  3. Step 3: Cross multiply
    162,093.36x = 243,111.84 × 73,326.12
  4. Step 4: Simplify right side
    162,093.36x = 17,826,447,953.26
  5. Step 5: Solve for x
    x = 17,826,447,953.26/162,093.36
  6. Step 6: Final answer
    x = 109,976.42

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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.