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Finding the Fourth Proportional to 89,497.58, 134,245.76 and 30,374.87

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Solution

The fourth proportional to 89,497.58, 134,245.76 and 30,374.87 is: 45,562.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,497.58 : 134,245.76 = 30,374.87 : x
  2. Step 2: Convert to fraction form
    89,497.58/134,245.76 = 30,374.87/x
  3. Step 3: Cross multiply
    89,497.58x = 134,245.76 × 30,374.87
  4. Step 4: Simplify right side
    89,497.58x = 4,077,696,684.95
  5. Step 5: Solve for x
    x = 4,077,696,684.95/89,497.58
  6. Step 6: Final answer
    x = 45,562.09

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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.