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Finding the Fourth Proportional to 123,322.90, 185,041.44 and 67,096.03

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Solution

The fourth proportional to 123,322.90, 185,041.44 and 67,096.03 is: 100,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,322.90 : 185,041.44 = 67,096.03 : x
  2. Step 2: Convert to fraction form
    123,322.90/185,041.44 = 67,096.03/x
  3. Step 3: Cross multiply
    123,322.90x = 185,041.44 × 67,096.03
  4. Step 4: Simplify right side
    123,322.90x = 12,415,546,009.48
  5. Step 5: Solve for x
    x = 12,415,546,009.48/123,322.90
  6. Step 6: Final answer
    x = 100,675.11

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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.