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Finding the Fourth Proportional to 81,504.96, 112,525.92 and 53,257.92

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Solution

The fourth proportional to 81,504.96, 112,525.92 and 53,257.92 is: 73,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,504.96 : 112,525.92 = 53,257.92 : x
  2. Step 2: Convert to fraction form
    81,504.96/112,525.92 = 53,257.92/x
  3. Step 3: Cross multiply
    81,504.96x = 112,525.92 × 53,257.92
  4. Step 4: Simplify right side
    81,504.96x = 5,992,896,445.29
  5. Step 5: Solve for x
    x = 5,992,896,445.29/81,504.96
  6. Step 6: Final answer
    x = 73,528.00

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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.