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Finding the Fourth Proportional to 89,313.42, 133,973.20 and 44,915.97

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Solution

The fourth proportional to 89,313.42, 133,973.20 and 44,915.97 is: 67,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,313.42 : 133,973.20 = 44,915.97 : x
  2. Step 2: Convert to fraction form
    89,313.42/133,973.20 = 44,915.97/x
  3. Step 3: Cross multiply
    89,313.42x = 133,973.20 × 44,915.97
  4. Step 4: Simplify right side
    89,313.42x = 6,017,536,232.00
  5. Step 5: Solve for x
    x = 6,017,536,232.00/89,313.42
  6. Step 6: Final answer
    x = 67,375.50

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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.