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Finding the Fourth Proportional to 216,188.48, 324,060.96 and 83,032.80

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Solution

The fourth proportional to 216,188.48, 324,060.96 and 83,032.80 is: 124,464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,188.48 : 324,060.96 = 83,032.80 : x
  2. Step 2: Convert to fraction form
    216,188.48/324,060.96 = 83,032.80/x
  3. Step 3: Cross multiply
    216,188.48x = 324,060.96 × 83,032.80
  4. Step 4: Simplify right side
    216,188.48x = 26,907,688,879.49
  5. Step 5: Solve for x
    x = 26,907,688,879.49/216,188.48
  6. Step 6: Final answer
    x = 124,464.03

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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.