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Finding the Fourth Proportional to 333,101.21, 499,842.27 and 140,960.51

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Solution

The fourth proportional to 333,101.21, 499,842.27 and 140,960.51 is: 211,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,101.21 : 499,842.27 = 140,960.51 : x
  2. Step 2: Convert to fraction form
    333,101.21/499,842.27 = 140,960.51/x
  3. Step 3: Cross multiply
    333,101.21x = 499,842.27 × 140,960.51
  4. Step 4: Simplify right side
    333,101.21x = 70,458,018,799.55
  5. Step 5: Solve for x
    x = 70,458,018,799.55/333,101.21
  6. Step 6: Final answer
    x = 211,521.35

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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.