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Finding the Fourth Proportional to 180,603.41, 249,211.22 and 104,147.51

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Solution

The fourth proportional to 180,603.41, 249,211.22 and 104,147.51 is: 143,711.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,603.41 : 249,211.22 = 104,147.51 : x
  2. Step 2: Convert to fraction form
    180,603.41/249,211.22 = 104,147.51/x
  3. Step 3: Cross multiply
    180,603.41x = 249,211.22 × 104,147.51
  4. Step 4: Simplify right side
    180,603.41x = 25,954,726,260.27
  5. Step 5: Solve for x
    x = 25,954,726,260.27/180,603.41
  6. Step 6: Final answer
    x = 143,711.17

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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.