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Finding the Fourth Proportional to 96,645.42, 133,376.22 and 54,200.64

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Solution

The fourth proportional to 96,645.42, 133,376.22 and 54,200.64 is: 74,799.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,645.42 : 133,376.22 = 54,200.64 : x
  2. Step 2: Convert to fraction form
    96,645.42/133,376.22 = 54,200.64/x
  3. Step 3: Cross multiply
    96,645.42x = 133,376.22 × 54,200.64
  4. Step 4: Simplify right side
    96,645.42x = 7,229,076,484.78
  5. Step 5: Solve for x
    x = 7,229,076,484.78/96,645.42
  6. Step 6: Final answer
    x = 74,799.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.