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Finding the Fourth Proportional to 268,544.94, 370,584.60 and 147,686.22

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Solution

The fourth proportional to 268,544.94, 370,584.60 and 147,686.22 is: 203,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,544.94 : 370,584.60 = 147,686.22 : x
  2. Step 2: Convert to fraction form
    268,544.94/370,584.60 = 147,686.22/x
  3. Step 3: Cross multiply
    268,544.94x = 370,584.60 × 147,686.22
  4. Step 4: Simplify right side
    268,544.94x = 54,730,238,764.21
  5. Step 5: Solve for x
    x = 54,730,238,764.21/268,544.94
  6. Step 6: Final answer
    x = 203,802.90

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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.