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Finding the Fourth Proportional to 169,492.34, 254,226.11 and 79,555.54

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Solution

The fourth proportional to 169,492.34, 254,226.11 and 79,555.54 is: 119,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,492.34 : 254,226.11 = 79,555.54 : x
  2. Step 2: Convert to fraction form
    169,492.34/254,226.11 = 79,555.54/x
  3. Step 3: Cross multiply
    169,492.34x = 254,226.11 × 79,555.54
  4. Step 4: Simplify right side
    169,492.34x = 20,225,094,192.02
  5. Step 5: Solve for x
    x = 20,225,094,192.02/169,492.34
  6. Step 6: Final answer
    x = 119,327.49

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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.