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Finding the Fourth Proportional to 96,647.90, 133,372.47 and 54,205.52

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Solution

The fourth proportional to 96,647.90, 133,372.47 and 54,205.52 is: 74,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,647.90 : 133,372.47 = 54,205.52 : x
  2. Step 2: Convert to fraction form
    96,647.90/133,372.47 = 54,205.52/x
  3. Step 3: Cross multiply
    96,647.90x = 133,372.47 × 54,205.52
  4. Step 4: Simplify right side
    96,647.90x = 7,229,524,090.03
  5. Step 5: Solve for x
    x = 7,229,524,090.03/96,647.90
  6. Step 6: Final answer
    x = 74,802.70

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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.