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Finding the Fourth Proportional to 371,768.76, 557,652.02 and 105,529.50

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Solution

The fourth proportional to 371,768.76, 557,652.02 and 105,529.50 is: 158,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,768.76 : 557,652.02 = 105,529.50 : x
  2. Step 2: Convert to fraction form
    371,768.76/557,652.02 = 105,529.50/x
  3. Step 3: Cross multiply
    371,768.76x = 557,652.02 × 105,529.50
  4. Step 4: Simplify right side
    371,768.76x = 58,848,738,844.59
  5. Step 5: Solve for x
    x = 58,848,738,844.59/371,768.76
  6. Step 6: Final answer
    x = 158,293.93

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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.