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Finding the Fourth Proportional to 216,946.80, 325,092.15 and 183,485.70

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Solution

The fourth proportional to 216,946.80, 325,092.15 and 183,485.70 is: 274,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,946.80 : 325,092.15 = 183,485.70 : x
  2. Step 2: Convert to fraction form
    216,946.80/325,092.15 = 183,485.70/x
  3. Step 3: Cross multiply
    216,946.80x = 325,092.15 × 183,485.70
  4. Step 4: Simplify right side
    216,946.80x = 59,649,760,707.26
  5. Step 5: Solve for x
    x = 59,649,760,707.26/216,946.80
  6. Step 6: Final answer
    x = 274,951.10

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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.