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Finding the Fourth Proportional to 199,068.40, 298,596.20 and 65,954.80

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Solution

The fourth proportional to 199,068.40, 298,596.20 and 65,954.80 is: 98,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,068.40 : 298,596.20 = 65,954.80 : x
  2. Step 2: Convert to fraction form
    199,068.40/298,596.20 = 65,954.80/x
  3. Step 3: Cross multiply
    199,068.40x = 298,596.20 × 65,954.80
  4. Step 4: Simplify right side
    199,068.40x = 19,693,852,651.76
  5. Step 5: Solve for x
    x = 19,693,852,651.76/199,068.40
  6. Step 6: Final answer
    x = 98,930.08

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1.5x scale

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.