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Finding the Fourth Proportional to 218,760, 301,889.01 and 118,158

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Solution

The fourth proportional to 218,760, 301,889.01 and 118,158 is: 163,058.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,760 : 301,889.01 = 118,158 : x
  2. Step 2: Convert to fraction form
    218,760/301,889.01 = 118,158/x
  3. Step 3: Cross multiply
    218,760x = 301,889.01 × 118,158
  4. Step 4: Simplify right side
    218,760x = 35,670,601,643.58
  5. Step 5: Solve for x
    x = 35,670,601,643.58/218,760
  6. Step 6: Final answer
    x = 163,058.15

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