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Finding the Fourth Proportional to 259,603.04, 389,237.16 and 101,847.44

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Solution

The fourth proportional to 259,603.04, 389,237.16 and 101,847.44 is: 152,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,603.04 : 389,237.16 = 101,847.44 : x
  2. Step 2: Convert to fraction form
    259,603.04/389,237.16 = 101,847.44/x
  3. Step 3: Cross multiply
    259,603.04x = 389,237.16 × 101,847.44
  4. Step 4: Simplify right side
    259,603.04x = 39,642,808,298.87
  5. Step 5: Solve for x
    x = 39,642,808,298.87/259,603.04
  6. Step 6: Final answer
    x = 152,705.49

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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.