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Finding the Fourth Proportional to 180,997.79, 249,813.31 and 104,529.34

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Solution

The fourth proportional to 180,997.79, 249,813.31 and 104,529.34 is: 144,271.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,997.79 : 249,813.31 = 104,529.34 : x
  2. Step 2: Convert to fraction form
    180,997.79/249,813.31 = 104,529.34/x
  3. Step 3: Cross multiply
    180,997.79x = 249,813.31 × 104,529.34
  4. Step 4: Simplify right side
    180,997.79x = 26,112,819,531.66
  5. Step 5: Solve for x
    x = 26,112,819,531.66/180,997.79
  6. Step 6: Final answer
    x = 144,271.48

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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.