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Finding the Fourth Proportional to 251,052.54, 346,459.59 and 137,882.58

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Solution

The fourth proportional to 251,052.54, 346,459.59 and 137,882.58 is: 190,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,052.54 : 346,459.59 = 137,882.58 : x
  2. Step 2: Convert to fraction form
    251,052.54/346,459.59 = 137,882.58/x
  3. Step 3: Cross multiply
    251,052.54x = 346,459.59 × 137,882.58
  4. Step 4: Simplify right side
    251,052.54x = 47,770,742,134.94
  5. Step 5: Solve for x
    x = 47,770,742,134.94/251,052.54
  6. Step 6: Final answer
    x = 190,281.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.