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Finding the Fourth Proportional to 178,339.14, 267,506.04 and 43,404.48

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Solution

The fourth proportional to 178,339.14, 267,506.04 and 43,404.48 is: 65,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,339.14 : 267,506.04 = 43,404.48 : x
  2. Step 2: Convert to fraction form
    178,339.14/267,506.04 = 43,404.48/x
  3. Step 3: Cross multiply
    178,339.14x = 267,506.04 × 43,404.48
  4. Step 4: Simplify right side
    178,339.14x = 11,610,960,563.06
  5. Step 5: Solve for x
    x = 11,610,960,563.06/178,339.14
  6. Step 6: Final answer
    x = 65,106.07

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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.