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Finding the Fourth Proportional to 167,947.90, 235,438.10 and 167,947.90

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Solution

The fourth proportional to 167,947.90, 235,438.10 and 167,947.90 is: 235,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,947.90 : 235,438.10 = 167,947.90 : x
  2. Step 2: Convert to fraction form
    167,947.90/235,438.10 = 167,947.90/x
  3. Step 3: Cross multiply
    167,947.90x = 235,438.10 × 167,947.90
  4. Step 4: Simplify right side
    167,947.90x = 39,541,334,474.99
  5. Step 5: Solve for x
    x = 39,541,334,474.99/167,947.90
  6. Step 6: Final answer
    x = 235,438.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.