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Finding the Fourth Proportional to 76,482.01, 114,711.14 and 39,069.73

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Solution

The fourth proportional to 76,482.01, 114,711.14 and 39,069.73 is: 58,598.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,482.01 : 114,711.14 = 39,069.73 : x
  2. Step 2: Convert to fraction form
    76,482.01/114,711.14 = 39,069.73/x
  3. Step 3: Cross multiply
    76,482.01x = 114,711.14 × 39,069.73
  4. Step 4: Simplify right side
    76,482.01x = 4,481,733,078.69
  5. Step 5: Solve for x
    x = 4,481,733,078.69/76,482.01
  6. Step 6: Final answer
    x = 58,598.53

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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.