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Finding the Fourth Proportional to 265,965.54, 367,031.97 and 145,106.88

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Solution

The fourth proportional to 265,965.54, 367,031.97 and 145,106.88 is: 200,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,965.54 : 367,031.97 = 145,106.88 : x
  2. Step 2: Convert to fraction form
    265,965.54/367,031.97 = 145,106.88/x
  3. Step 3: Cross multiply
    265,965.54x = 367,031.97 × 145,106.88
  4. Step 4: Simplify right side
    265,965.54x = 53,258,864,026.95
  5. Step 5: Solve for x
    x = 53,258,864,026.95/265,965.54
  6. Step 6: Final answer
    x = 200,247.24

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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.