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Finding the Fourth Proportional to 216,804.23, 325,019.46 and 83,777.83

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Solution

The fourth proportional to 216,804.23, 325,019.46 and 83,777.83 is: 125,594.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,804.23 : 325,019.46 = 83,777.83 : x
  2. Step 2: Convert to fraction form
    216,804.23/325,019.46 = 83,777.83/x
  3. Step 3: Cross multiply
    216,804.23x = 325,019.46 × 83,777.83
  4. Step 4: Simplify right side
    216,804.23x = 27,229,424,254.02
  5. Step 5: Solve for x
    x = 27,229,424,254.02/216,804.23
  6. Step 6: Final answer
    x = 125,594.53

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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.