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Finding the Fourth Proportional to 89,179.79, 133,791.95 and 62,935.79

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Solution

The fourth proportional to 89,179.79, 133,791.95 and 62,935.79 is: 94,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,179.79 : 133,791.95 = 62,935.79 : x
  2. Step 2: Convert to fraction form
    89,179.79/133,791.95 = 62,935.79/x
  3. Step 3: Cross multiply
    89,179.79x = 133,791.95 × 62,935.79
  4. Step 4: Simplify right side
    89,179.79x = 8,420,301,557.27
  5. Step 5: Solve for x
    x = 8,420,301,557.27/89,179.79
  6. Step 6: Final answer
    x = 94,419.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.