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Finding the Fourth Proportional to 119,862.44, 165,410.02 and 66,147.40

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Solution

The fourth proportional to 119,862.44, 165,410.02 and 66,147.40 is: 91,283.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,862.44 : 165,410.02 = 66,147.40 : x
  2. Step 2: Convert to fraction form
    119,862.44/165,410.02 = 66,147.40/x
  3. Step 3: Cross multiply
    119,862.44x = 165,410.02 × 66,147.40
  4. Step 4: Simplify right side
    119,862.44x = 10,941,442,756.95
  5. Step 5: Solve for x
    x = 10,941,442,756.95/119,862.44
  6. Step 6: Final answer
    x = 91,283.33

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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.