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Finding the Fourth Proportional to 265,147.72, 365,911.54 and 144,296.80

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Solution

The fourth proportional to 265,147.72, 365,911.54 and 144,296.80 is: 199,133.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,147.72 : 365,911.54 = 144,296.80 : x
  2. Step 2: Convert to fraction form
    265,147.72/365,911.54 = 144,296.80/x
  3. Step 3: Cross multiply
    265,147.72x = 365,911.54 × 144,296.80
  4. Step 4: Simplify right side
    265,147.72x = 52,799,863,029.55
  5. Step 5: Solve for x
    x = 52,799,863,029.55/265,147.72
  6. Step 6: Final answer
    x = 199,133.76

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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.