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Finding the Fourth Proportional to 165,801.44, 248,750.76 and 53,479.40

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Solution

The fourth proportional to 165,801.44, 248,750.76 and 53,479.40 is: 80,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,801.44 : 248,750.76 = 53,479.40 : x
  2. Step 2: Convert to fraction form
    165,801.44/248,750.76 = 53,479.40/x
  3. Step 3: Cross multiply
    165,801.44x = 248,750.76 × 53,479.40
  4. Step 4: Simplify right side
    165,801.44x = 13,303,041,394.34
  5. Step 5: Solve for x
    x = 13,303,041,394.34/165,801.44
  6. Step 6: Final answer
    x = 80,234.78

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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.