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Finding the Fourth Proportional to 174,879.90, 262,319.85 and 56,563.20

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Solution

The fourth proportional to 174,879.90, 262,319.85 and 56,563.20 is: 84,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,879.90 : 262,319.85 = 56,563.20 : x
  2. Step 2: Convert to fraction form
    174,879.90/262,319.85 = 56,563.20/x
  3. Step 3: Cross multiply
    174,879.90x = 262,319.85 × 56,563.20
  4. Step 4: Simplify right side
    174,879.90x = 14,837,650,139.52
  5. Step 5: Solve for x
    x = 14,837,650,139.52/174,879.90
  6. Step 6: Final answer
    x = 84,844.80

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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.