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Finding the Fourth Proportional to 251,340.72, 377,009.16 and 61,800.24

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Solution

The fourth proportional to 251,340.72, 377,009.16 and 61,800.24 is: 92,699.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,340.72 : 377,009.16 = 61,800.24 : x
  2. Step 2: Convert to fraction form
    251,340.72/377,009.16 = 61,800.24/x
  3. Step 3: Cross multiply
    251,340.72x = 377,009.16 × 61,800.24
  4. Step 4: Simplify right side
    251,340.72x = 23,299,256,570.20
  5. Step 5: Solve for x
    x = 23,299,256,570.20/251,340.72
  6. Step 6: Final answer
    x = 92,699.89

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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.