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Finding the Fourth Proportional to 116,481.42, 160,531.20 and 84,594.96

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Solution

The fourth proportional to 116,481.42, 160,531.20 and 84,594.96 is: 116,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,481.42 : 160,531.20 = 84,594.96 : x
  2. Step 2: Convert to fraction form
    116,481.42/160,531.20 = 84,594.96/x
  3. Step 3: Cross multiply
    116,481.42x = 160,531.20 × 84,594.96
  4. Step 4: Simplify right side
    116,481.42x = 13,580,130,442.75
  5. Step 5: Solve for x
    x = 13,580,130,442.75/116,481.42
  6. Step 6: Final answer
    x = 116,586.24

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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.