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Finding the Fourth Proportional to 167,163.88, 249,008.42 and 158,109.52

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Solution

The fourth proportional to 167,163.88, 249,008.42 and 158,109.52 is: 235,520.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,163.88 : 249,008.42 = 158,109.52 : x
  2. Step 2: Convert to fraction form
    167,163.88/249,008.42 = 158,109.52/x
  3. Step 3: Cross multiply
    167,163.88x = 249,008.42 × 158,109.52
  4. Step 4: Simplify right side
    167,163.88x = 39,370,601,762.16
  5. Step 5: Solve for x
    x = 39,370,601,762.16/167,163.88
  6. Step 6: Final answer
    x = 235,520.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.