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Finding the Fourth Proportional to 180,873.78, 249,620.77 and 100,327.33

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Solution

The fourth proportional to 180,873.78, 249,620.77 and 100,327.33 is: 138,460.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,873.78 : 249,620.77 = 100,327.33 : x
  2. Step 2: Convert to fraction form
    180,873.78/249,620.77 = 100,327.33/x
  3. Step 3: Cross multiply
    180,873.78x = 249,620.77 × 100,327.33
  4. Step 4: Simplify right side
    180,873.78x = 25,043,785,366.64
  5. Step 5: Solve for x
    x = 25,043,785,366.64/180,873.78
  6. Step 6: Final answer
    x = 138,460.01

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1.5x scale

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.