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Finding the Fourth Proportional to 265,189.76, 365,955.92 and 144,331.44

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Solution

The fourth proportional to 265,189.76, 365,955.92 and 144,331.44 is: 199,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,189.76 : 365,955.92 = 144,331.44 : x
  2. Step 2: Convert to fraction form
    265,189.76/365,955.92 = 144,331.44/x
  3. Step 3: Cross multiply
    265,189.76x = 365,955.92 × 144,331.44
  4. Step 4: Simplify right side
    265,189.76x = 52,818,944,910.12
  5. Step 5: Solve for x
    x = 52,818,944,910.12/265,189.76
  6. Step 6: Final answer
    x = 199,174.15

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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.