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Finding the Fourth Proportional to 273,835.79, 410,792.86 and 84,312.19

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Solution

The fourth proportional to 273,835.79, 410,792.86 and 84,312.19 is: 126,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,835.79 : 410,792.86 = 84,312.19 : x
  2. Step 2: Convert to fraction form
    273,835.79/410,792.86 = 84,312.19/x
  3. Step 3: Cross multiply
    273,835.79x = 410,792.86 × 84,312.19
  4. Step 4: Simplify right side
    273,835.79x = 34,634,843,609.00
  5. Step 5: Solve for x
    x = 34,634,843,609.00/273,835.79
  6. Step 6: Final answer
    x = 126,480.34

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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.