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Finding the Fourth Proportional to 180,401.52, 249,004.14 and 104,964.60

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Solution

The fourth proportional to 180,401.52, 249,004.14 and 104,964.60 is: 144,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,401.52 : 249,004.14 = 104,964.60 : x
  2. Step 2: Convert to fraction form
    180,401.52/249,004.14 = 104,964.60/x
  3. Step 3: Cross multiply
    180,401.52x = 249,004.14 × 104,964.60
  4. Step 4: Simplify right side
    180,401.52x = 26,136,619,953.44
  5. Step 5: Solve for x
    x = 26,136,619,953.44/180,401.52
  6. Step 6: Final answer
    x = 144,880.26

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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.