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Finding the Fourth Proportional to 178,851, 246,814.38 and 99,363

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Solution

The fourth proportional to 178,851, 246,814.38 and 99,363 is: 137,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,851 : 246,814.38 = 99,363 : x
  2. Step 2: Convert to fraction form
    178,851/246,814.38 = 99,363/x
  3. Step 3: Cross multiply
    178,851x = 246,814.38 × 99,363
  4. Step 4: Simplify right side
    178,851x = 24,524,217,239.94
  5. Step 5: Solve for x
    x = 24,524,217,239.94/178,851
  6. Step 6: Final answer
    x = 137,120.94

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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.