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Finding the Fourth Proportional to 183,735.40, 275,603.10 and 65,418.70

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Solution

The fourth proportional to 183,735.40, 275,603.10 and 65,418.70 is: 98,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,735.40 : 275,603.10 = 65,418.70 : x
  2. Step 2: Convert to fraction form
    183,735.40/275,603.10 = 65,418.70/x
  3. Step 3: Cross multiply
    183,735.40x = 275,603.10 × 65,418.70
  4. Step 4: Simplify right side
    183,735.40x = 18,029,596,517.97
  5. Step 5: Solve for x
    x = 18,029,596,517.97/183,735.40
  6. Step 6: Final answer
    x = 98,128.05

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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.