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Finding the Fourth Proportional to 268,592, 370,665.12 and 147,727.04

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Solution

The fourth proportional to 268,592, 370,665.12 and 147,727.04 is: 203,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,592 : 370,665.12 = 147,727.04 : x
  2. Step 2: Convert to fraction form
    268,592/370,665.12 = 147,727.04/x
  3. Step 3: Cross multiply
    268,592x = 370,665.12 × 147,727.04
  4. Step 4: Simplify right side
    268,592x = 54,757,261,008.84
  5. Step 5: Solve for x
    x = 54,757,261,008.84/268,592
  6. Step 6: Final answer
    x = 203,867.80

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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.