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Finding the Fourth Proportional to 171,649.76, 236,886.38 and 96,203.12

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Solution

The fourth proportional to 171,649.76, 236,886.38 and 96,203.12 is: 132,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,649.76 : 236,886.38 = 96,203.12 : x
  2. Step 2: Convert to fraction form
    171,649.76/236,886.38 = 96,203.12/x
  3. Step 3: Cross multiply
    171,649.76x = 236,886.38 × 96,203.12
  4. Step 4: Simplify right side
    171,649.76x = 22,789,208,841.51
  5. Step 5: Solve for x
    x = 22,789,208,841.51/171,649.76
  6. Step 6: Final answer
    x = 132,765.75

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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.