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Finding the Fourth Proportional to 76,159.59, 114,171.55 and 36,153.88

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Solution

The fourth proportional to 76,159.59, 114,171.55 and 36,153.88 is: 54,198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,159.59 : 114,171.55 = 36,153.88 : x
  2. Step 2: Convert to fraction form
    76,159.59/114,171.55 = 36,153.88/x
  3. Step 3: Cross multiply
    76,159.59x = 114,171.55 × 36,153.88
  4. Step 4: Simplify right side
    76,159.59x = 4,127,744,518.11
  5. Step 5: Solve for x
    x = 4,127,744,518.11/76,159.59
  6. Step 6: Final answer
    x = 54,198.62

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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.