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Finding the Fourth Proportional to 84,674.78, 126,763.04 and 56,525.02

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Solution

The fourth proportional to 84,674.78, 126,763.04 and 56,525.02 is: 84,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,674.78 : 126,763.04 = 56,525.02 : x
  2. Step 2: Convert to fraction form
    84,674.78/126,763.04 = 56,525.02/x
  3. Step 3: Cross multiply
    84,674.78x = 126,763.04 × 56,525.02
  4. Step 4: Simplify right side
    84,674.78x = 7,165,282,771.73
  5. Step 5: Solve for x
    x = 7,165,282,771.73/84,674.78
  6. Step 6: Final answer
    x = 84,621.21

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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.