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Finding the Fourth Proportional to 158,907.61, 238,361.10 and 40,579.03

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Solution

The fourth proportional to 158,907.61, 238,361.10 and 40,579.03 is: 60,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,907.61 : 238,361.10 = 40,579.03 : x
  2. Step 2: Convert to fraction form
    158,907.61/238,361.10 = 40,579.03/x
  3. Step 3: Cross multiply
    158,907.61x = 238,361.10 × 40,579.03
  4. Step 4: Simplify right side
    158,907.61x = 9,672,462,227.73
  5. Step 5: Solve for x
    x = 9,672,462,227.73/158,907.61
  6. Step 6: Final answer
    x = 60,868.46

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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.