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Finding the Fourth Proportional to 149,266.80, 205,957.08 and 92,644.56

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Solution

The fourth proportional to 149,266.80, 205,957.08 and 92,644.56 is: 127,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,266.80 : 205,957.08 = 92,644.56 : x
  2. Step 2: Convert to fraction form
    149,266.80/205,957.08 = 92,644.56/x
  3. Step 3: Cross multiply
    149,266.80x = 205,957.08 × 92,644.56
  4. Step 4: Simplify right side
    149,266.80x = 19,080,803,055.48
  5. Step 5: Solve for x
    x = 19,080,803,055.48/149,266.80
  6. Step 6: Final answer
    x = 127,830.19

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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.