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Finding the Fourth Proportional to 76,153.59, 114,100.38 and 53,930.03

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Solution

The fourth proportional to 76,153.59, 114,100.38 and 53,930.03 is: 80,802.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,153.59 : 114,100.38 = 53,930.03 : x
  2. Step 2: Convert to fraction form
    76,153.59/114,100.38 = 53,930.03/x
  3. Step 3: Cross multiply
    76,153.59x = 114,100.38 × 53,930.03
  4. Step 4: Simplify right side
    76,153.59x = 6,153,436,345.91
  5. Step 5: Solve for x
    x = 6,153,436,345.91/76,153.59
  6. Step 6: Final answer
    x = 80,802.97

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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.