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Finding the Fourth Proportional to 95,775.70, 143,323.35 and 83,431.30

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Solution

The fourth proportional to 95,775.70, 143,323.35 and 83,431.30 is: 124,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,775.70 : 143,323.35 = 83,431.30 : x
  2. Step 2: Convert to fraction form
    95,775.70/143,323.35 = 83,431.30/x
  3. Step 3: Cross multiply
    95,775.70x = 143,323.35 × 83,431.30
  4. Step 4: Simplify right side
    95,775.70x = 11,957,653,410.86
  5. Step 5: Solve for x
    x = 11,957,653,410.86/95,775.70
  6. Step 6: Final answer
    x = 124,850.60

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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.