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Finding the Fourth Proportional to 180,979.64, 249,763.71 and 104,501.96

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Solution

The fourth proportional to 180,979.64, 249,763.71 and 104,501.96 is: 144,219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,979.64 : 249,763.71 = 104,501.96 : x
  2. Step 2: Convert to fraction form
    180,979.64/249,763.71 = 104,501.96/x
  3. Step 3: Cross multiply
    180,979.64x = 249,763.71 × 104,501.96
  4. Step 4: Simplify right side
    180,979.64x = 26,100,795,460.54
  5. Step 5: Solve for x
    x = 26,100,795,460.54/180,979.64
  6. Step 6: Final answer
    x = 144,219.52

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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.