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Finding the Fourth Proportional to 173,589.36, 260,433.96 and 55,278.96

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Solution

The fourth proportional to 173,589.36, 260,433.96 and 55,278.96 is: 82,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,589.36 : 260,433.96 = 55,278.96 : x
  2. Step 2: Convert to fraction form
    173,589.36/260,433.96 = 55,278.96/x
  3. Step 3: Cross multiply
    173,589.36x = 260,433.96 × 55,278.96
  4. Step 4: Simplify right side
    173,589.36x = 14,396,518,457.48
  5. Step 5: Solve for x
    x = 14,396,518,457.48/173,589.36
  6. Step 6: Final answer
    x = 82,934.34

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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.