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Finding the Fourth Proportional to 180,474.17, 249,109.83 and 104,044.32

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Solution

The fourth proportional to 180,474.17, 249,109.83 and 104,044.32 is: 143,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,474.17 : 249,109.83 = 104,044.32 : x
  2. Step 2: Convert to fraction form
    180,474.17/249,109.83 = 104,044.32/x
  3. Step 3: Cross multiply
    180,474.17x = 249,109.83 × 104,044.32
  4. Step 4: Simplify right side
    180,474.17x = 25,918,462,867.67
  5. Step 5: Solve for x
    x = 25,918,462,867.67/180,474.17
  6. Step 6: Final answer
    x = 143,613.15

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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.