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Finding the Fourth Proportional to 251,062.04, 346,472.74 and 137,892.12

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Solution

The fourth proportional to 251,062.04, 346,472.74 and 137,892.12 is: 190,295.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,062.04 : 346,472.74 = 137,892.12 : x
  2. Step 2: Convert to fraction form
    251,062.04/346,472.74 = 137,892.12/x
  3. Step 3: Cross multiply
    251,062.04x = 346,472.74 × 137,892.12
  4. Step 4: Simplify right side
    251,062.04x = 47,775,860,640.81
  5. Step 5: Solve for x
    x = 47,775,860,640.81/251,062.04
  6. Step 6: Final answer
    x = 190,295.04

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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.