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Finding the Fourth Proportional to 96,662.36, 133,393.86 and 53,648.45

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Solution

The fourth proportional to 96,662.36, 133,393.86 and 53,648.45 is: 74,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,662.36 : 133,393.86 = 53,648.45 : x
  2. Step 2: Convert to fraction form
    96,662.36/133,393.86 = 53,648.45/x
  3. Step 3: Cross multiply
    96,662.36x = 133,393.86 × 53,648.45
  4. Step 4: Simplify right side
    96,662.36x = 7,156,373,828.52
  5. Step 5: Solve for x
    x = 7,156,373,828.52/96,662.36
  6. Step 6: Final answer
    x = 74,034.75

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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.