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Finding the Fourth Proportional to 216,625.96, 324,865.02 and 83,495.08

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Solution

The fourth proportional to 216,625.96, 324,865.02 and 83,495.08 is: 125,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,625.96 : 324,865.02 = 83,495.08 : x
  2. Step 2: Convert to fraction form
    216,625.96/324,865.02 = 83,495.08/x
  3. Step 3: Cross multiply
    216,625.96x = 324,865.02 × 83,495.08
  4. Step 4: Simplify right side
    216,625.96x = 27,124,630,834.10
  5. Step 5: Solve for x
    x = 27,124,630,834.10/216,625.96
  6. Step 6: Final answer
    x = 125,214.13

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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.