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Finding the Fourth Proportional to 238,752.50, 329,471.51 and 131,322.51

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Solution

The fourth proportional to 238,752.50, 329,471.51 and 131,322.51 is: 181,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,752.50 : 329,471.51 = 131,322.51 : x
  2. Step 2: Convert to fraction form
    238,752.50/329,471.51 = 131,322.51/x
  3. Step 3: Cross multiply
    238,752.50x = 329,471.51 × 131,322.51
  4. Step 4: Simplify right side
    238,752.50x = 43,267,025,010.08
  5. Step 5: Solve for x
    x = 43,267,025,010.08/238,752.50
  6. Step 6: Final answer
    x = 181,221.25

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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.