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Finding the Fourth Proportional to 119,178.88, 178,765.56 and 59,998.68

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Solution

The fourth proportional to 119,178.88, 178,765.56 and 59,998.68 is: 89,996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,178.88 : 178,765.56 = 59,998.68 : x
  2. Step 2: Convert to fraction form
    119,178.88/178,765.56 = 59,998.68/x
  3. Step 3: Cross multiply
    119,178.88x = 178,765.56 × 59,998.68
  4. Step 4: Simplify right side
    119,178.88x = 10,725,697,629.46
  5. Step 5: Solve for x
    x = 10,725,697,629.46/119,178.88
  6. Step 6: Final answer
    x = 89,996.63

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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.