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Finding the Fourth Proportional to 75,601.80, 113,402.70 and 52,273.80

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Solution

The fourth proportional to 75,601.80, 113,402.70 and 52,273.80 is: 78,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,601.80 : 113,402.70 = 52,273.80 : x
  2. Step 2: Convert to fraction form
    75,601.80/113,402.70 = 52,273.80/x
  3. Step 3: Cross multiply
    75,601.80x = 113,402.70 × 52,273.80
  4. Step 4: Simplify right side
    75,601.80x = 5,927,990,059.26
  5. Step 5: Solve for x
    x = 5,927,990,059.26/75,601.80
  6. Step 6: Final answer
    x = 78,410.70

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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.