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Finding the Fourth Proportional to 96,663, 133,394.94 and 58,945.08

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Solution

The fourth proportional to 96,663, 133,394.94 and 58,945.08 is: 81,344.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,663 : 133,394.94 = 58,945.08 : x
  2. Step 2: Convert to fraction form
    96,663/133,394.94 = 58,945.08/x
  3. Step 3: Cross multiply
    96,663x = 133,394.94 × 58,945.08
  4. Step 4: Simplify right side
    96,663x = 7,862,975,409.90
  5. Step 5: Solve for x
    x = 7,862,975,409.90/96,663
  6. Step 6: Final answer
    x = 81,344.21

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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.