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Finding the Fourth Proportional to 95,735.80, 143,603.70 and 53,745.40

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Solution

The fourth proportional to 95,735.80, 143,603.70 and 53,745.40 is: 80,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,735.80 : 143,603.70 = 53,745.40 : x
  2. Step 2: Convert to fraction form
    95,735.80/143,603.70 = 53,745.40/x
  3. Step 3: Cross multiply
    95,735.80x = 143,603.70 × 53,745.40
  4. Step 4: Simplify right side
    95,735.80x = 7,718,038,297.98
  5. Step 5: Solve for x
    x = 7,718,038,297.98/95,735.80
  6. Step 6: Final answer
    x = 80,618.10

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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.