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Finding the Fourth Proportional to 237,753.40, 356,784.72 and 102,949.12

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Solution

The fourth proportional to 237,753.40, 356,784.72 and 102,949.12 is: 154,490.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,753.40 : 356,784.72 = 102,949.12 : x
  2. Step 2: Convert to fraction form
    237,753.40/356,784.72 = 102,949.12/x
  3. Step 3: Cross multiply
    237,753.40x = 356,784.72 × 102,949.12
  4. Step 4: Simplify right side
    237,753.40x = 36,730,672,953.45
  5. Step 5: Solve for x
    x = 36,730,672,953.45/237,753.40
  6. Step 6: Final answer
    x = 154,490.63

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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.