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Finding the Fourth Proportional to 76,108.60, 114,097.98 and 53,851.96

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Solution

The fourth proportional to 76,108.60, 114,097.98 and 53,851.96 is: 80,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,108.60 : 114,097.98 = 53,851.96 : x
  2. Step 2: Convert to fraction form
    76,108.60/114,097.98 = 53,851.96/x
  3. Step 3: Cross multiply
    76,108.60x = 114,097.98 × 53,851.96
  4. Step 4: Simplify right side
    76,108.60x = 6,144,399,855.04
  5. Step 5: Solve for x
    x = 6,144,399,855.04/76,108.60
  6. Step 6: Final answer
    x = 80,732.00

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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.