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Finding the Fourth Proportional to 268,543.94, 370,583.18 and 147,685.20

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Solution

The fourth proportional to 268,543.94, 370,583.18 and 147,685.20 is: 203,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,543.94 : 370,583.18 = 147,685.20 : x
  2. Step 2: Convert to fraction form
    268,543.94/370,583.18 = 147,685.20/x
  3. Step 3: Cross multiply
    268,543.94x = 370,583.18 × 147,685.20
  4. Step 4: Simplify right side
    268,543.94x = 54,729,651,054.94
  5. Step 5: Solve for x
    x = 54,729,651,054.94/268,543.94
  6. Step 6: Final answer
    x = 203,801.47

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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.