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Finding the Fourth Proportional to 162,099.36, 223,670.36 and 90,479.36

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Solution

The fourth proportional to 162,099.36, 223,670.36 and 90,479.36 is: 124,846.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,099.36 : 223,670.36 = 90,479.36 : x
  2. Step 2: Convert to fraction form
    162,099.36/223,670.36 = 90,479.36/x
  3. Step 3: Cross multiply
    162,099.36x = 223,670.36 × 90,479.36
  4. Step 4: Simplify right side
    162,099.36x = 20,237,551,809.14
  5. Step 5: Solve for x
    x = 20,237,551,809.14/162,099.36
  6. Step 6: Final answer
    x = 124,846.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.