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Finding the Fourth Proportional to 92,382.40, 138,226.92 and 54,804.88

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Solution

The fourth proportional to 92,382.40, 138,226.92 and 54,804.88 is: 82,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,382.40 : 138,226.92 = 54,804.88 : x
  2. Step 2: Convert to fraction form
    92,382.40/138,226.92 = 54,804.88/x
  3. Step 3: Cross multiply
    92,382.40x = 138,226.92 × 54,804.88
  4. Step 4: Simplify right side
    92,382.40x = 7,575,509,763.37
  5. Step 5: Solve for x
    x = 7,575,509,763.37/92,382.40
  6. Step 6: Final answer
    x = 82,001.66

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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.