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Finding the Fourth Proportional to 265,243.76, 366,041.06 and 144,388.52

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Solution

The fourth proportional to 265,243.76, 366,041.06 and 144,388.52 is: 199,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,243.76 : 366,041.06 = 144,388.52 : x
  2. Step 2: Convert to fraction form
    265,243.76/366,041.06 = 144,388.52/x
  3. Step 3: Cross multiply
    265,243.76x = 366,041.06 × 144,388.52
  4. Step 4: Simplify right side
    265,243.76x = 52,852,126,912.63
  5. Step 5: Solve for x
    x = 52,852,126,912.63/265,243.76
  6. Step 6: Final answer
    x = 199,258.70

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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.