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Finding the Fourth Proportional to 291,069.84, 436,660.26 and 101,584.33

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Solution

The fourth proportional to 291,069.84, 436,660.26 and 101,584.33 is: 152,395.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,069.84 : 436,660.26 = 101,584.33 : x
  2. Step 2: Convert to fraction form
    291,069.84/436,660.26 = 101,584.33/x
  3. Step 3: Cross multiply
    291,069.84x = 436,660.26 × 101,584.33
  4. Step 4: Simplify right side
    291,069.84x = 44,357,837,658.40
  5. Step 5: Solve for x
    x = 44,357,837,658.40/291,069.84
  6. Step 6: Final answer
    x = 152,395.86

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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.