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Finding the Fourth Proportional to 289,525.93, 399,567.93 and 167,040.25

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Solution

The fourth proportional to 289,525.93, 399,567.93 and 167,040.25 is: 230,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,525.93 : 399,567.93 = 167,040.25 : x
  2. Step 2: Convert to fraction form
    289,525.93/399,567.93 = 167,040.25/x
  3. Step 3: Cross multiply
    289,525.93x = 399,567.93 × 167,040.25
  4. Step 4: Simplify right side
    289,525.93x = 66,743,926,919.18
  5. Step 5: Solve for x
    x = 66,743,926,919.18/289,525.93
  6. Step 6: Final answer
    x = 230,528.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.