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Finding the Fourth Proportional to 89,064.97, 133,609.75 and 29,917.55

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Solution

The fourth proportional to 89,064.97, 133,609.75 and 29,917.55 is: 44,880.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,064.97 : 133,609.75 = 29,917.55 : x
  2. Step 2: Convert to fraction form
    89,064.97/133,609.75 = 29,917.55/x
  3. Step 3: Cross multiply
    89,064.97x = 133,609.75 × 29,917.55
  4. Step 4: Simplify right side
    89,064.97x = 3,997,276,803.63
  5. Step 5: Solve for x
    x = 3,997,276,803.63/89,064.97
  6. Step 6: Final answer
    x = 44,880.46

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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.