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Finding the Fourth Proportional to 136,960.88, 205,474.12 and 43,466.63

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Solution

The fourth proportional to 136,960.88, 205,474.12 and 43,466.63 is: 65,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,960.88 : 205,474.12 = 43,466.63 : x
  2. Step 2: Convert to fraction form
    136,960.88/205,474.12 = 43,466.63/x
  3. Step 3: Cross multiply
    136,960.88x = 205,474.12 × 43,466.63
  4. Step 4: Simplify right side
    136,960.88x = 8,931,266,412.58
  5. Step 5: Solve for x
    x = 8,931,266,412.58/136,960.88
  6. Step 6: Final answer
    x = 65,210.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.