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Finding the Fourth Proportional to 423,673.53, 635,597.82 and 124,163.88

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Solution

The fourth proportional to 423,673.53, 635,597.82 and 124,163.88 is: 186,271.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,673.53 : 635,597.82 = 124,163.88 : x
  2. Step 2: Convert to fraction form
    423,673.53/635,597.82 = 124,163.88/x
  3. Step 3: Cross multiply
    423,673.53x = 635,597.82 × 124,163.88
  4. Step 4: Simplify right side
    423,673.53x = 78,918,291,450.74
  5. Step 5: Solve for x
    x = 78,918,291,450.74/423,673.53
  6. Step 6: Final answer
    x = 186,271.47

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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.