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Finding the Fourth Proportional to 96,613.94, 133,302 and 55,768.06

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Solution

The fourth proportional to 96,613.94, 133,302 and 55,768.06 is: 76,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,613.94 : 133,302 = 55,768.06 : x
  2. Step 2: Convert to fraction form
    96,613.94/133,302 = 55,768.06/x
  3. Step 3: Cross multiply
    96,613.94x = 133,302 × 55,768.06
  4. Step 4: Simplify right side
    96,613.94x = 7,433,993,934.12
  5. Step 5: Solve for x
    x = 7,433,993,934.12/96,613.94
  6. Step 6: Final answer
    x = 76,945.36

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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.