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Finding the Fourth Proportional to 251,370.36, 346,892.58 and 136,649.90

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Solution

The fourth proportional to 251,370.36, 346,892.58 and 136,649.90 is: 188,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,370.36 : 346,892.58 = 136,649.90 : x
  2. Step 2: Convert to fraction form
    251,370.36/346,892.58 = 136,649.90/x
  3. Step 3: Cross multiply
    251,370.36x = 346,892.58 × 136,649.90
  4. Step 4: Simplify right side
    251,370.36x = 47,402,837,234.97
  5. Step 5: Solve for x
    x = 47,402,837,234.97/251,370.36
  6. Step 6: Final answer
    x = 188,577.67

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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.