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Finding the Fourth Proportional to 169,178.42, 253,742.57 and 102,600.67

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Solution

The fourth proportional to 169,178.42, 253,742.57 and 102,600.67 is: 153,885.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,178.42 : 253,742.57 = 102,600.67 : x
  2. Step 2: Convert to fraction form
    169,178.42/253,742.57 = 102,600.67/x
  3. Step 3: Cross multiply
    169,178.42x = 253,742.57 × 102,600.67
  4. Step 4: Simplify right side
    169,178.42x = 26,034,157,689.52
  5. Step 5: Solve for x
    x = 26,034,157,689.52/169,178.42
  6. Step 6: Final answer
    x = 153,885.81

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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.