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Finding the Fourth Proportional to 251,370.54, 377,055.90 and 73,877.58

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Solution

The fourth proportional to 251,370.54, 377,055.90 and 73,877.58 is: 110,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,370.54 : 377,055.90 = 73,877.58 : x
  2. Step 2: Convert to fraction form
    251,370.54/377,055.90 = 73,877.58/x
  3. Step 3: Cross multiply
    251,370.54x = 377,055.90 × 73,877.58
  4. Step 4: Simplify right side
    251,370.54x = 27,855,977,416.72
  5. Step 5: Solve for x
    x = 27,855,977,416.72/251,370.54
  6. Step 6: Final answer
    x = 110,816.40

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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.