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Finding the Fourth Proportional to 268,672.03, 370,767.39 and 147,810.73

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Solution

The fourth proportional to 268,672.03, 370,767.39 and 147,810.73 is: 203,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,672.03 : 370,767.39 = 147,810.73 : x
  2. Step 2: Convert to fraction form
    268,672.03/370,767.39 = 147,810.73/x
  3. Step 3: Cross multiply
    268,672.03x = 370,767.39 × 147,810.73
  4. Step 4: Simplify right side
    268,672.03x = 54,803,398,576.09
  5. Step 5: Solve for x
    x = 54,803,398,576.09/268,672.03
  6. Step 6: Final answer
    x = 203,978.80

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1.5x scale

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.