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Finding the Fourth Proportional to 75,502.80, 113,254.20 and 50,619.60

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Solution

The fourth proportional to 75,502.80, 113,254.20 and 50,619.60 is: 75,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,502.80 : 113,254.20 = 50,619.60 : x
  2. Step 2: Convert to fraction form
    75,502.80/113,254.20 = 50,619.60/x
  3. Step 3: Cross multiply
    75,502.80x = 113,254.20 × 50,619.60
  4. Step 4: Simplify right side
    75,502.80x = 5,732,882,302.32
  5. Step 5: Solve for x
    x = 5,732,882,302.32/75,502.80
  6. Step 6: Final answer
    x = 75,929.40

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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.