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Finding the Fourth Proportional to 238,955.77, 329,746.44 and 131,505.27

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Solution

The fourth proportional to 238,955.77, 329,746.44 and 131,505.27 is: 181,470.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,955.77 : 329,746.44 = 131,505.27 : x
  2. Step 2: Convert to fraction form
    238,955.77/329,746.44 = 131,505.27/x
  3. Step 3: Cross multiply
    238,955.77x = 329,746.44 × 131,505.27
  4. Step 4: Simplify right side
    238,955.77x = 43,363,395,735.16
  5. Step 5: Solve for x
    x = 43,363,395,735.16/238,955.77
  6. Step 6: Final answer
    x = 181,470.38

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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.