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Finding the Fourth Proportional to 238,673.21, 329,287.05 and 147,996.54

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Solution

The fourth proportional to 238,673.21, 329,287.05 and 147,996.54 is: 204,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,673.21 : 329,287.05 = 147,996.54 : x
  2. Step 2: Convert to fraction form
    238,673.21/329,287.05 = 147,996.54/x
  3. Step 3: Cross multiply
    238,673.21x = 329,287.05 × 147,996.54
  4. Step 4: Simplify right side
    238,673.21x = 48,733,344,066.81
  5. Step 5: Solve for x
    x = 48,733,344,066.81/238,673.21
  6. Step 6: Final answer
    x = 204,184.40

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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.