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Finding the Fourth Proportional to 96,379.67, 133,004.23 and 53,938.20

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Solution

The fourth proportional to 96,379.67, 133,004.23 and 53,938.20 is: 74,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,379.67 : 133,004.23 = 53,938.20 : x
  2. Step 2: Convert to fraction form
    96,379.67/133,004.23 = 53,938.20/x
  3. Step 3: Cross multiply
    96,379.67x = 133,004.23 × 53,938.20
  4. Step 4: Simplify right side
    96,379.67x = 7,174,009,122.51
  5. Step 5: Solve for x
    x = 7,174,009,122.51/96,379.67
  6. Step 6: Final answer
    x = 74,434.88

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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.