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Finding the Fourth Proportional to 183,896.12, 253,749.17 and 103,308.32

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Solution

The fourth proportional to 183,896.12, 253,749.17 and 103,308.32 is: 142,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,896.12 : 253,749.17 = 103,308.32 : x
  2. Step 2: Convert to fraction form
    183,896.12/253,749.17 = 103,308.32/x
  3. Step 3: Cross multiply
    183,896.12x = 253,749.17 × 103,308.32
  4. Step 4: Simplify right side
    183,896.12x = 26,214,400,454.09
  5. Step 5: Solve for x
    x = 26,214,400,454.09/183,896.12
  6. Step 6: Final answer
    x = 142,550.05

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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.