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Finding the Fourth Proportional to 96,616.64, 133,269.60 and 69,798.56

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Solution

The fourth proportional to 96,616.64, 133,269.60 and 69,798.56 is: 96,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,616.64 : 133,269.60 = 69,798.56 : x
  2. Step 2: Convert to fraction form
    96,616.64/133,269.60 = 69,798.56/x
  3. Step 3: Cross multiply
    96,616.64x = 133,269.60 × 69,798.56
  4. Step 4: Simplify right side
    96,616.64x = 9,302,026,171.78
  5. Step 5: Solve for x
    x = 9,302,026,171.78/96,616.64
  6. Step 6: Final answer
    x = 96,277.68

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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.