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Finding the Fourth Proportional to 238,617.60, 329,270.88 and 141,814.08

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Solution

The fourth proportional to 238,617.60, 329,270.88 and 141,814.08 is: 195,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,617.60 : 329,270.88 = 141,814.08 : x
  2. Step 2: Convert to fraction form
    238,617.60/329,270.88 = 141,814.08/x
  3. Step 3: Cross multiply
    238,617.60x = 329,270.88 × 141,814.08
  4. Step 4: Simplify right side
    238,617.60x = 46,695,246,917.99
  5. Step 5: Solve for x
    x = 46,695,246,917.99/238,617.60
  6. Step 6: Final answer
    x = 195,690.71

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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.