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Finding the Fourth Proportional to 173,422.81, 260,134.32 and 48,763.81

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Solution

The fourth proportional to 173,422.81, 260,134.32 and 48,763.81 is: 73,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,422.81 : 260,134.32 = 48,763.81 : x
  2. Step 2: Convert to fraction form
    173,422.81/260,134.32 = 48,763.81/x
  3. Step 3: Cross multiply
    173,422.81x = 260,134.32 × 48,763.81
  4. Step 4: Simplify right side
    173,422.81x = 12,685,140,554.96
  5. Step 5: Solve for x
    x = 12,685,140,554.96/173,422.81
  6. Step 6: Final answer
    x = 73,145.74

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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.