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Finding the Fourth Proportional to 96,661.30, 133,392.30 and 53,647.26

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Solution

The fourth proportional to 96,661.30, 133,392.30 and 53,647.26 is: 74,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,661.30 : 133,392.30 = 53,647.26 : x
  2. Step 2: Convert to fraction form
    96,661.30/133,392.30 = 53,647.26/x
  3. Step 3: Cross multiply
    96,661.30x = 133,392.30 × 53,647.26
  4. Step 4: Simplify right side
    96,661.30x = 7,156,131,400.10
  5. Step 5: Solve for x
    x = 7,156,131,400.10/96,661.30
  6. Step 6: Final answer
    x = 74,033.06

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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.