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Finding the Fourth Proportional to 103,059.97, 154,327.48 and 67,893.01

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Solution

The fourth proportional to 103,059.97, 154,327.48 and 67,893.01 is: 101,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,059.97 : 154,327.48 = 67,893.01 : x
  2. Step 2: Convert to fraction form
    103,059.97/154,327.48 = 67,893.01/x
  3. Step 3: Cross multiply
    103,059.97x = 154,327.48 × 67,893.01
  4. Step 4: Simplify right side
    103,059.97x = 10,477,756,587.36
  5. Step 5: Solve for x
    x = 10,477,756,587.36/103,059.97
  6. Step 6: Final answer
    x = 101,666.60

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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.