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Finding the Fourth Proportional to 180,991.35, 249,804.41 and 104,522.90

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Solution

The fourth proportional to 180,991.35, 249,804.41 and 104,522.90 is: 144,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,991.35 : 249,804.41 = 104,522.90 : x
  2. Step 2: Convert to fraction form
    180,991.35/249,804.41 = 104,522.90/x
  3. Step 3: Cross multiply
    180,991.35x = 249,804.41 × 104,522.90
  4. Step 4: Simplify right side
    180,991.35x = 26,110,279,594.35
  5. Step 5: Solve for x
    x = 26,110,279,594.35/180,991.35
  6. Step 6: Final answer
    x = 144,262.58

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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.