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Finding the Fourth Proportional to 183,867.76, 275,818.38 and 71,556.40

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Solution

The fourth proportional to 183,867.76, 275,818.38 and 71,556.40 is: 107,341.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,867.76 : 275,818.38 = 71,556.40 : x
  2. Step 2: Convert to fraction form
    183,867.76/275,818.38 = 71,556.40/x
  3. Step 3: Cross multiply
    183,867.76x = 275,818.38 × 71,556.40
  4. Step 4: Simplify right side
    183,867.76x = 19,736,570,326.63
  5. Step 5: Solve for x
    x = 19,736,570,326.63/183,867.76
  6. Step 6: Final answer
    x = 107,341.11

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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.