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Finding the Fourth Proportional to 251,083.02, 346,491.33 and 137,898.48

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Solution

The fourth proportional to 251,083.02, 346,491.33 and 137,898.48 is: 190,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,083.02 : 346,491.33 = 137,898.48 : x
  2. Step 2: Convert to fraction form
    251,083.02/346,491.33 = 137,898.48/x
  3. Step 3: Cross multiply
    251,083.02x = 346,491.33 × 137,898.48
  4. Step 4: Simplify right side
    251,083.02x = 47,780,627,740.18
  5. Step 5: Solve for x
    x = 47,780,627,740.18/251,083.02
  6. Step 6: Final answer
    x = 190,298.12

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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.