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Finding the Fourth Proportional to 96,666.64, 133,406.64 and 54,227.92

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Solution

The fourth proportional to 96,666.64, 133,406.64 and 54,227.92 is: 74,838.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,666.64 : 133,406.64 = 54,227.92 : x
  2. Step 2: Convert to fraction form
    96,666.64/133,406.64 = 54,227.92/x
  3. Step 3: Cross multiply
    96,666.64x = 133,406.64 × 54,227.92
  4. Step 4: Simplify right side
    96,666.64x = 7,234,364,601.39
  5. Step 5: Solve for x
    x = 7,234,364,601.39/96,666.64
  6. Step 6: Final answer
    x = 74,838.28

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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.