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Finding the Fourth Proportional to 96,608.90, 133,327.13 and 53,602.49

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Solution

The fourth proportional to 96,608.90, 133,327.13 and 53,602.49 is: 73,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,608.90 : 133,327.13 = 53,602.49 : x
  2. Step 2: Convert to fraction form
    96,608.90/133,327.13 = 53,602.49/x
  3. Step 3: Cross multiply
    96,608.90x = 133,327.13 × 53,602.49
  4. Step 4: Simplify right side
    96,608.90x = 7,146,665,217.91
  5. Step 5: Solve for x
    x = 7,146,665,217.91/96,608.90
  6. Step 6: Final answer
    x = 73,975.23

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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.