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Finding the Fourth Proportional to 83,842.52, 115,750.50 and 55,586.48

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Solution

The fourth proportional to 83,842.52, 115,750.50 and 55,586.48 is: 76,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,842.52 : 115,750.50 = 55,586.48 : x
  2. Step 2: Convert to fraction form
    83,842.52/115,750.50 = 55,586.48/x
  3. Step 3: Cross multiply
    83,842.52x = 115,750.50 × 55,586.48
  4. Step 4: Simplify right side
    83,842.52x = 6,434,162,853.24
  5. Step 5: Solve for x
    x = 6,434,162,853.24/83,842.52
  6. Step 6: Final answer
    x = 76,741.05

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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.