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Finding the Fourth Proportional to 119,291.94, 178,792.21 and 56,027.60

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Solution

The fourth proportional to 119,291.94, 178,792.21 and 56,027.60 is: 83,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,291.94 : 178,792.21 = 56,027.60 : x
  2. Step 2: Convert to fraction form
    119,291.94/178,792.21 = 56,027.60/x
  3. Step 3: Cross multiply
    119,291.94x = 178,792.21 × 56,027.60
  4. Step 4: Simplify right side
    119,291.94x = 10,017,298,271.54
  5. Step 5: Solve for x
    x = 10,017,298,271.54/119,291.94
  6. Step 6: Final answer
    x = 83,972.97

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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.