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Finding the Fourth Proportional to 194,752.40, 292,125.60 and 99,927.88

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Solution

The fourth proportional to 194,752.40, 292,125.60 and 99,927.88 is: 149,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,752.40 : 292,125.60 = 99,927.88 : x
  2. Step 2: Convert to fraction form
    194,752.40/292,125.60 = 99,927.88/x
  3. Step 3: Cross multiply
    194,752.40x = 292,125.60 × 99,927.88
  4. Step 4: Simplify right side
    194,752.40x = 29,191,491,901.73
  5. Step 5: Solve for x
    x = 29,191,491,901.73/194,752.40
  6. Step 6: Final answer
    x = 149,890.28

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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.