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Finding the Fourth Proportional to 155,817.98, 233,766.39 and 43,498.11

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Solution

The fourth proportional to 155,817.98, 233,766.39 and 43,498.11 is: 65,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,817.98 : 233,766.39 = 43,498.11 : x
  2. Step 2: Convert to fraction form
    155,817.98/233,766.39 = 43,498.11/x
  3. Step 3: Cross multiply
    155,817.98x = 233,766.39 × 43,498.11
  4. Step 4: Simplify right side
    155,817.98x = 10,168,396,146.52
  5. Step 5: Solve for x
    x = 10,168,396,146.52/155,817.98
  6. Step 6: Final answer
    x = 65,258.17

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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.