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Finding the Fourth Proportional to 96,699.36, 133,443 and 53,676.32

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Solution

The fourth proportional to 96,699.36, 133,443 and 53,676.32 is: 74,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,699.36 : 133,443 = 53,676.32 : x
  2. Step 2: Convert to fraction form
    96,699.36/133,443 = 53,676.32/x
  3. Step 3: Cross multiply
    96,699.36x = 133,443 × 53,676.32
  4. Step 4: Simplify right side
    96,699.36x = 7,162,729,169.76
  5. Step 5: Solve for x
    x = 7,162,729,169.76/96,699.36
  6. Step 6: Final answer
    x = 74,072.15

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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.