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Finding the Fourth Proportional to 96,551.52, 133,246.36 and 54,123.68

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Solution

The fourth proportional to 96,551.52, 133,246.36 and 54,123.68 is: 74,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,551.52 : 133,246.36 = 54,123.68 : x
  2. Step 2: Convert to fraction form
    96,551.52/133,246.36 = 54,123.68/x
  3. Step 3: Cross multiply
    96,551.52x = 133,246.36 × 54,123.68
  4. Step 4: Simplify right side
    96,551.52x = 7,211,783,349.80
  5. Step 5: Solve for x
    x = 7,211,783,349.80/96,551.52
  6. Step 6: Final answer
    x = 74,693.63

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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.