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Finding the Fourth Proportional to 119,900.88, 179,941.44 and 45,094.80

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Solution

The fourth proportional to 119,900.88, 179,941.44 and 45,094.80 is: 67,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,900.88 : 179,941.44 = 45,094.80 : x
  2. Step 2: Convert to fraction form
    119,900.88/179,941.44 = 45,094.80/x
  3. Step 3: Cross multiply
    119,900.88x = 179,941.44 × 45,094.80
  4. Step 4: Simplify right side
    119,900.88x = 8,114,423,248.51
  5. Step 5: Solve for x
    x = 8,114,423,248.51/119,900.88
  6. Step 6: Final answer
    x = 67,676.09

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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.