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Finding the Fourth Proportional to 312,754.00, 469,126.74 and 76,096.91

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Solution

The fourth proportional to 312,754.00, 469,126.74 and 76,096.91 is: 114,144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,754.00 : 469,126.74 = 76,096.91 : x
  2. Step 2: Convert to fraction form
    312,754.00/469,126.74 = 76,096.91/x
  3. Step 3: Cross multiply
    312,754.00x = 469,126.74 × 76,096.91
  4. Step 4: Simplify right side
    312,754.00x = 35,699,092,966.74
  5. Step 5: Solve for x
    x = 35,699,092,966.74/312,754.00
  6. Step 6: Final answer
    x = 114,144.32

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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.