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Finding the Fourth Proportional to 178,669.29, 268,114.96 and 111,333.49

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Solution

The fourth proportional to 178,669.29, 268,114.96 and 111,333.49 is: 167,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,669.29 : 268,114.96 = 111,333.49 : x
  2. Step 2: Convert to fraction form
    178,669.29/268,114.96 = 111,333.49/x
  3. Step 3: Cross multiply
    178,669.29x = 268,114.96 × 111,333.49
  4. Step 4: Simplify right side
    178,669.29x = 29,850,173,686.89
  5. Step 5: Solve for x
    x = 29,850,173,686.89/178,669.29
  6. Step 6: Final answer
    x = 167,069.41

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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.