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Finding the Fourth Proportional to 216,806.23, 325,022.46 and 83,779.83

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Solution

The fourth proportional to 216,806.23, 325,022.46 and 83,779.83 is: 125,597.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,806.23 : 325,022.46 = 83,779.83 : x
  2. Step 2: Convert to fraction form
    216,806.23/325,022.46 = 83,779.83/x
  3. Step 3: Cross multiply
    216,806.23x = 325,022.46 × 83,779.83
  4. Step 4: Simplify right side
    216,806.23x = 27,230,326,444.98
  5. Step 5: Solve for x
    x = 27,230,326,444.98/216,806.23
  6. Step 6: Final answer
    x = 125,597.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.