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Finding the Fourth Proportional to 265,980.52, 367,058.82 and 145,124.20

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Solution

The fourth proportional to 265,980.52, 367,058.82 and 145,124.20 is: 200,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,980.52 : 367,058.82 = 145,124.20 : x
  2. Step 2: Convert to fraction form
    265,980.52/367,058.82 = 145,124.20/x
  3. Step 3: Cross multiply
    265,980.52x = 367,058.82 × 145,124.20
  4. Step 4: Simplify right side
    265,980.52x = 53,269,117,605.44
  5. Step 5: Solve for x
    x = 53,269,117,605.44/265,980.52
  6. Step 6: Final answer
    x = 200,274.51

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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.