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Finding the Fourth Proportional to 101,955.06, 152,920.80 and 27,081.09

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Solution

The fourth proportional to 101,955.06, 152,920.80 and 27,081.09 is: 40,618.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,955.06 : 152,920.80 = 27,081.09 : x
  2. Step 2: Convert to fraction form
    101,955.06/152,920.80 = 27,081.09/x
  3. Step 3: Cross multiply
    101,955.06x = 152,920.80 × 27,081.09
  4. Step 4: Simplify right side
    101,955.06x = 4,141,261,947.67
  5. Step 5: Solve for x
    x = 4,141,261,947.67/101,955.06
  6. Step 6: Final answer
    x = 40,618.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.