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Finding the Fourth Proportional to 178,808.54, 268,409.76 and 151,072.52

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Solution

The fourth proportional to 178,808.54, 268,409.76 and 151,072.52 is: 226,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,808.54 : 268,409.76 = 151,072.52 : x
  2. Step 2: Convert to fraction form
    178,808.54/268,409.76 = 151,072.52/x
  3. Step 3: Cross multiply
    178,808.54x = 268,409.76 × 151,072.52
  4. Step 4: Simplify right side
    178,808.54x = 40,549,338,835.80
  5. Step 5: Solve for x
    x = 40,549,338,835.80/178,808.54
  6. Step 6: Final answer
    x = 226,775.18

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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.