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Finding the Fourth Proportional to 79,799.76, 119,809.08 and 50,129.46

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Solution

The fourth proportional to 79,799.76, 119,809.08 and 50,129.46 is: 75,262.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,799.76 : 119,809.08 = 50,129.46 : x
  2. Step 2: Convert to fraction form
    79,799.76/119,809.08 = 50,129.46/x
  3. Step 3: Cross multiply
    79,799.76x = 119,809.08 × 50,129.46
  4. Step 4: Simplify right side
    79,799.76x = 6,005,964,483.50
  5. Step 5: Solve for x
    x = 6,005,964,483.50/79,799.76
  6. Step 6: Final answer
    x = 75,262.94

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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.