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Finding the Fourth Proportional to 252,539.95, 348,507.16 and 137,819.49

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Solution

The fourth proportional to 252,539.95, 348,507.16 and 137,819.49 is: 190,192.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,539.95 : 348,507.16 = 137,819.49 : x
  2. Step 2: Convert to fraction form
    252,539.95/348,507.16 = 137,819.49/x
  3. Step 3: Cross multiply
    252,539.95x = 348,507.16 × 137,819.49
  4. Step 4: Simplify right side
    252,539.95x = 48,031,079,052.55
  5. Step 5: Solve for x
    x = 48,031,079,052.55/252,539.95
  6. Step 6: Final answer
    x = 190,192.00

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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.