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Finding the Fourth Proportional to 248,075.88, 371,645.54 and 146,571.04

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Solution

The fourth proportional to 248,075.88, 371,645.54 and 146,571.04 is: 219,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,075.88 : 371,645.54 = 146,571.04 : x
  2. Step 2: Convert to fraction form
    248,075.88/371,645.54 = 146,571.04/x
  3. Step 3: Cross multiply
    248,075.88x = 371,645.54 × 146,571.04
  4. Step 4: Simplify right side
    248,075.88x = 54,472,473,309.16
  5. Step 5: Solve for x
    x = 54,472,473,309.16/248,075.88
  6. Step 6: Final answer
    x = 219,579.89

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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.