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Finding the Fourth Proportional to 162,118.96, 223,723.32 and 94,152.64

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Solution

The fourth proportional to 162,118.96, 223,723.32 and 94,152.64 is: 129,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,118.96 : 223,723.32 = 94,152.64 : x
  2. Step 2: Convert to fraction form
    162,118.96/223,723.32 = 94,152.64/x
  3. Step 3: Cross multiply
    162,118.96x = 223,723.32 × 94,152.64
  4. Step 4: Simplify right side
    162,118.96x = 21,064,141,207.56
  5. Step 5: Solve for x
    x = 21,064,141,207.56/162,118.96
  6. Step 6: Final answer
    x = 129,930.15

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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.