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Finding the Fourth Proportional to 216,948.48, 325,347.72 and 103,083.12

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Solution

The fourth proportional to 216,948.48, 325,347.72 and 103,083.12 is: 154,589.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,948.48 : 325,347.72 = 103,083.12 : x
  2. Step 2: Convert to fraction form
    216,948.48/325,347.72 = 103,083.12/x
  3. Step 3: Cross multiply
    216,948.48x = 325,347.72 × 103,083.12
  4. Step 4: Simplify right side
    216,948.48x = 33,537,858,062.49
  5. Step 5: Solve for x
    x = 33,537,858,062.49/216,948.48
  6. Step 6: Final answer
    x = 154,589.04

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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.