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Finding the Fourth Proportional to 109,050.80, 163,581.60 and 56,562.80

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Solution

The fourth proportional to 109,050.80, 163,581.60 and 56,562.80 is: 84,847.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,050.80 : 163,581.60 = 56,562.80 : x
  2. Step 2: Convert to fraction form
    109,050.80/163,581.60 = 56,562.80/x
  3. Step 3: Cross multiply
    109,050.80x = 163,581.60 × 56,562.80
  4. Step 4: Simplify right side
    109,050.80x = 9,252,633,324.48
  5. Step 5: Solve for x
    x = 9,252,633,324.48/109,050.80
  6. Step 6: Final answer
    x = 84,847.00

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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.