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Finding the Fourth Proportional to 213,779.52, 295,016.58 and 116,986.14

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Solution

The fourth proportional to 213,779.52, 295,016.58 and 116,986.14 is: 161,441.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,779.52 : 295,016.58 = 116,986.14 : x
  2. Step 2: Convert to fraction form
    213,779.52/295,016.58 = 116,986.14/x
  3. Step 3: Cross multiply
    213,779.52x = 295,016.58 × 116,986.14
  4. Step 4: Simplify right side
    213,779.52x = 34,512,850,930.20
  5. Step 5: Solve for x
    x = 34,512,850,930.20/213,779.52
  6. Step 6: Final answer
    x = 161,441.33

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1.5x scale

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.