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Finding the Fourth Proportional to 178,291.84, 267,437.76 and 73,039

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Solution

The fourth proportional to 178,291.84, 267,437.76 and 73,039 is: 109,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,291.84 : 267,437.76 = 73,039 : x
  2. Step 2: Convert to fraction form
    178,291.84/267,437.76 = 73,039/x
  3. Step 3: Cross multiply
    178,291.84x = 267,437.76 × 73,039
  4. Step 4: Simplify right side
    178,291.84x = 19,533,386,552.64
  5. Step 5: Solve for x
    x = 19,533,386,552.64/178,291.84
  6. Step 6: Final answer
    x = 109,558.50

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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.