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Finding the Fourth Proportional to 201,025.30, 301,570.80 and 67,913.50

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Solution

The fourth proportional to 201,025.30, 301,570.80 and 67,913.50 is: 101,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,025.30 : 301,570.80 = 67,913.50 : x
  2. Step 2: Convert to fraction form
    201,025.30/301,570.80 = 67,913.50/x
  3. Step 3: Cross multiply
    201,025.30x = 301,570.80 × 67,913.50
  4. Step 4: Simplify right side
    201,025.30x = 20,480,728,525.80
  5. Step 5: Solve for x
    x = 20,480,728,525.80/201,025.30
  6. Step 6: Final answer
    x = 101,881.35

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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.