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Finding the Fourth Proportional to 268,567.44, 370,615.68 and 147,708.78

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Solution

The fourth proportional to 268,567.44, 370,615.68 and 147,708.78 is: 203,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,567.44 : 370,615.68 = 147,708.78 : x
  2. Step 2: Convert to fraction form
    268,567.44/370,615.68 = 147,708.78/x
  3. Step 3: Cross multiply
    268,567.44x = 370,615.68 × 147,708.78
  4. Step 4: Simplify right side
    268,567.44x = 54,743,189,941.67
  5. Step 5: Solve for x
    x = 54,743,189,941.67/268,567.44
  6. Step 6: Final answer
    x = 203,834.05

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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.