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Finding the Fourth Proportional to 181,208.97, 250,193.49 and 113,256.50

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Solution

The fourth proportional to 181,208.97, 250,193.49 and 113,256.50 is: 156,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,208.97 : 250,193.49 = 113,256.50 : x
  2. Step 2: Convert to fraction form
    181,208.97/250,193.49 = 113,256.50/x
  3. Step 3: Cross multiply
    181,208.97x = 250,193.49 × 113,256.50
  4. Step 4: Simplify right side
    181,208.97x = 28,336,037,749.22
  5. Step 5: Solve for x
    x = 28,336,037,749.22/181,208.97
  6. Step 6: Final answer
    x = 156,372.16

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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.