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Finding the Fourth Proportional to 251,576, 377,363.92 and 64,587.44

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Solution

The fourth proportional to 251,576, 377,363.92 and 64,587.44 is: 96,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,576 : 377,363.92 = 64,587.44 : x
  2. Step 2: Convert to fraction form
    251,576/377,363.92 = 64,587.44/x
  3. Step 3: Cross multiply
    251,576x = 377,363.92 × 64,587.44
  4. Step 4: Simplify right side
    251,576x = 24,372,969,541.16
  5. Step 5: Solve for x
    x = 24,372,969,541.16/251,576
  6. Step 6: Final answer
    x = 96,881.14

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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.