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Finding the Fourth Proportional to 119,443.79, 179,191.61 and 36,335.63

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Solution

The fourth proportional to 119,443.79, 179,191.61 and 36,335.63 is: 54,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,443.79 : 179,191.61 = 36,335.63 : x
  2. Step 2: Convert to fraction form
    119,443.79/179,191.61 = 36,335.63/x
  3. Step 3: Cross multiply
    119,443.79x = 179,191.61 × 36,335.63
  4. Step 4: Simplify right side
    119,443.79x = 6,511,038,962.43
  5. Step 5: Solve for x
    x = 6,511,038,962.43/119,443.79
  6. Step 6: Final answer
    x = 54,511.32

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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.