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Finding the Fourth Proportional to 216,833.68, 325,290.48 and 98,513.92

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Solution

The fourth proportional to 216,833.68, 325,290.48 and 98,513.92 is: 147,789.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,833.68 : 325,290.48 = 98,513.92 : x
  2. Step 2: Convert to fraction form
    216,833.68/325,290.48 = 98,513.92/x
  3. Step 3: Cross multiply
    216,833.68x = 325,290.48 × 98,513.92
  4. Step 4: Simplify right side
    216,833.68x = 32,045,640,323.48
  5. Step 5: Solve for x
    x = 32,045,640,323.48/216,833.68
  6. Step 6: Final answer
    x = 147,789.04

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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.