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Finding the Fourth Proportional to 248,133.88, 372,075.06 and 105,957.01

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Solution

The fourth proportional to 248,133.88, 372,075.06 and 105,957.01 is: 158,881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,133.88 : 372,075.06 = 105,957.01 : x
  2. Step 2: Convert to fraction form
    248,133.88/372,075.06 = 105,957.01/x
  3. Step 3: Cross multiply
    248,133.88x = 372,075.06 × 105,957.01
  4. Step 4: Simplify right side
    248,133.88x = 39,423,958,992.80
  5. Step 5: Solve for x
    x = 39,423,958,992.80/248,133.88
  6. Step 6: Final answer
    x = 158,881.81

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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.