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Finding the Fourth Proportional to 252,769.95, 348,825.29 and 138,051.95

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Solution

The fourth proportional to 252,769.95, 348,825.29 and 138,051.95 is: 190,513.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,769.95 : 348,825.29 = 138,051.95 : x
  2. Step 2: Convert to fraction form
    252,769.95/348,825.29 = 138,051.95/x
  3. Step 3: Cross multiply
    252,769.95x = 348,825.29 × 138,051.95
  4. Step 4: Simplify right side
    252,769.95x = 48,156,009,059.43
  5. Step 5: Solve for x
    x = 48,156,009,059.43/252,769.95
  6. Step 6: Final answer
    x = 190,513.19

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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.