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Finding the Fourth Proportional to 136,430.24, 204,773.34 and 83,942.24

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Solution

The fourth proportional to 136,430.24, 204,773.34 and 83,942.24 is: 125,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,430.24 : 204,773.34 = 83,942.24 : x
  2. Step 2: Convert to fraction form
    136,430.24/204,773.34 = 83,942.24/x
  3. Step 3: Cross multiply
    136,430.24x = 204,773.34 × 83,942.24
  4. Step 4: Simplify right side
    136,430.24x = 17,189,132,851.88
  5. Step 5: Solve for x
    x = 17,189,132,851.88/136,430.24
  6. Step 6: Final answer
    x = 125,992.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.