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Finding the Fourth Proportional to 173,625.20, 260,437.80 and 55,295.60

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Solution

The fourth proportional to 173,625.20, 260,437.80 and 55,295.60 is: 82,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,625.20 : 260,437.80 = 55,295.60 : x
  2. Step 2: Convert to fraction form
    173,625.20/260,437.80 = 55,295.60/x
  3. Step 3: Cross multiply
    173,625.20x = 260,437.80 × 55,295.60
  4. Step 4: Simplify right side
    173,625.20x = 14,401,064,413.68
  5. Step 5: Solve for x
    x = 14,401,064,413.68/173,625.20
  6. Step 6: Final answer
    x = 82,943.40

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1.5x scale

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.