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Finding the Fourth Proportional to 178,221.44, 267,332.52 and 73,021.52

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Solution

The fourth proportional to 178,221.44, 267,332.52 and 73,021.52 is: 109,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,221.44 : 267,332.52 = 73,021.52 : x
  2. Step 2: Convert to fraction form
    178,221.44/267,332.52 = 73,021.52/x
  3. Step 3: Cross multiply
    178,221.44x = 267,332.52 × 73,021.52
  4. Step 4: Simplify right side
    178,221.44x = 19,521,026,955.83
  5. Step 5: Solve for x
    x = 19,521,026,955.83/178,221.44
  6. Step 6: Final answer
    x = 109,532.43

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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.