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Finding the Fourth Proportional to 110,938.94, 166,407.80 and 44,394.47

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Solution

The fourth proportional to 110,938.94, 166,407.80 and 44,394.47 is: 66,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,938.94 : 166,407.80 = 44,394.47 : x
  2. Step 2: Convert to fraction form
    110,938.94/166,407.80 = 44,394.47/x
  3. Step 3: Cross multiply
    110,938.94x = 166,407.80 × 44,394.47
  4. Step 4: Simplify right side
    110,938.94x = 7,387,585,030.85
  5. Step 5: Solve for x
    x = 7,387,585,030.85/110,938.94
  6. Step 6: Final answer
    x = 66,591.45

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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.