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Finding the Fourth Proportional to 237,907.22, 328,311.29 and 135,964.31

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Solution

The fourth proportional to 237,907.22, 328,311.29 and 135,964.31 is: 187,630.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,907.22 : 328,311.29 = 135,964.31 : x
  2. Step 2: Convert to fraction form
    237,907.22/328,311.29 = 135,964.31/x
  3. Step 3: Cross multiply
    237,907.22x = 328,311.29 × 135,964.31
  4. Step 4: Simplify right side
    237,907.22x = 44,638,616,708.41
  5. Step 5: Solve for x
    x = 44,638,616,708.41/237,907.22
  6. Step 6: Final answer
    x = 187,630.36

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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.