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Finding the Fourth Proportional to 173,401.47, 260,102.20 and 48,742.47

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Solution

The fourth proportional to 173,401.47, 260,102.20 and 48,742.47 is: 73,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,401.47 : 260,102.20 = 48,742.47 : x
  2. Step 2: Convert to fraction form
    173,401.47/260,102.20 = 48,742.47/x
  3. Step 3: Cross multiply
    173,401.47x = 260,102.20 × 48,742.47
  4. Step 4: Simplify right side
    173,401.47x = 12,678,023,680.43
  5. Step 5: Solve for x
    x = 12,678,023,680.43/173,401.47
  6. Step 6: Final answer
    x = 73,113.70

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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.