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Finding the Fourth Proportional to 153,203.96, 211,406.28 and 95,832.20

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Solution

The fourth proportional to 153,203.96, 211,406.28 and 95,832.20 is: 132,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,203.96 : 211,406.28 = 95,832.20 : x
  2. Step 2: Convert to fraction form
    153,203.96/211,406.28 = 95,832.20/x
  3. Step 3: Cross multiply
    153,203.96x = 211,406.28 × 95,832.20
  4. Step 4: Simplify right side
    153,203.96x = 20,259,528,906.22
  5. Step 5: Solve for x
    x = 20,259,528,906.22/153,203.96
  6. Step 6: Final answer
    x = 132,238.94

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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.