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Finding the Fourth Proportional to 237,407.40, 356,146.29 and 68,929.11

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Solution

The fourth proportional to 237,407.40, 356,146.29 and 68,929.11 is: 103,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,407.40 : 356,146.29 = 68,929.11 : x
  2. Step 2: Convert to fraction form
    237,407.40/356,146.29 = 68,929.11/x
  3. Step 3: Cross multiply
    237,407.40x = 356,146.29 × 68,929.11
  4. Step 4: Simplify right side
    237,407.40x = 24,548,846,799.50
  5. Step 5: Solve for x
    x = 24,548,846,799.50/237,407.40
  6. Step 6: Final answer
    x = 103,403.88

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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.