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Finding the Fourth Proportional to 169,968.70, 254,944.95 and 57,637.90

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Solution

The fourth proportional to 169,968.70, 254,944.95 and 57,637.90 is: 86,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,968.70 : 254,944.95 = 57,637.90 : x
  2. Step 2: Convert to fraction form
    169,968.70/254,944.95 = 57,637.90/x
  3. Step 3: Cross multiply
    169,968.70x = 254,944.95 × 57,637.90
  4. Step 4: Simplify right side
    169,968.70x = 14,694,491,533.61
  5. Step 5: Solve for x
    x = 14,694,491,533.61/169,968.70
  6. Step 6: Final answer
    x = 86,454.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.