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Finding the Fourth Proportional to 153,380.94, 211,633.16 and 96,759.50

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Solution

The fourth proportional to 153,380.94, 211,633.16 and 96,759.50 is: 133,507.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,380.94 : 211,633.16 = 96,759.50 : x
  2. Step 2: Convert to fraction form
    153,380.94/211,633.16 = 96,759.50/x
  3. Step 3: Cross multiply
    153,380.94x = 211,633.16 × 96,759.50
  4. Step 4: Simplify right side
    153,380.94x = 20,477,518,745.02
  5. Step 5: Solve for x
    x = 20,477,518,745.02/153,380.94
  6. Step 6: Final answer
    x = 133,507.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.