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Finding the Fourth Proportional to 252,883.85, 349,003.85 and 138,179.93

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Solution

The fourth proportional to 252,883.85, 349,003.85 and 138,179.93 is: 190,701.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,883.85 : 349,003.85 = 138,179.93 : x
  2. Step 2: Convert to fraction form
    252,883.85/349,003.85 = 138,179.93/x
  3. Step 3: Cross multiply
    252,883.85x = 349,003.85 × 138,179.93
  4. Step 4: Simplify right side
    252,883.85x = 48,225,325,126.81
  5. Step 5: Solve for x
    x = 48,225,325,126.81/252,883.85
  6. Step 6: Final answer
    x = 190,701.49

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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.