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Finding the Fourth Proportional to 229,850.55, 344,970.23 and 103,684.95

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Solution

The fourth proportional to 229,850.55, 344,970.23 and 103,684.95 is: 155,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,850.55 : 344,970.23 = 103,684.95 : x
  2. Step 2: Convert to fraction form
    229,850.55/344,970.23 = 103,684.95/x
  3. Step 3: Cross multiply
    229,850.55x = 344,970.23 × 103,684.95
  4. Step 4: Simplify right side
    229,850.55x = 35,768,221,049.04
  5. Step 5: Solve for x
    x = 35,768,221,049.04/229,850.55
  6. Step 6: Final answer
    x = 155,615.12

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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.