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Finding the Fourth Proportional to 165,969.01, 249,004.25 and 69,955.94

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Solution

The fourth proportional to 165,969.01, 249,004.25 and 69,955.94 is: 104,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,969.01 : 249,004.25 = 69,955.94 : x
  2. Step 2: Convert to fraction form
    165,969.01/249,004.25 = 69,955.94/x
  3. Step 3: Cross multiply
    165,969.01x = 249,004.25 × 69,955.94
  4. Step 4: Simplify right side
    165,969.01x = 17,419,325,703.91
  5. Step 5: Solve for x
    x = 17,419,325,703.91/165,969.01
  6. Step 6: Final answer
    x = 104,955.29

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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.