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Finding the Fourth Proportional to 259,267, 388,887.50 and 101,524.36

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Solution

The fourth proportional to 259,267, 388,887.50 and 101,524.36 is: 152,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,267 : 388,887.50 = 101,524.36 : x
  2. Step 2: Convert to fraction form
    259,267/388,887.50 = 101,524.36/x
  3. Step 3: Cross multiply
    259,267x = 388,887.50 × 101,524.36
  4. Step 4: Simplify right side
    259,267x = 39,481,554,549.50
  5. Step 5: Solve for x
    x = 39,481,554,549.50/259,267
  6. Step 6: Final answer
    x = 152,281.45

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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.