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Finding the Fourth Proportional to 96,562.50, 133,245.45 and 54,114.90

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Solution

The fourth proportional to 96,562.50, 133,245.45 and 54,114.90 is: 74,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,562.50 : 133,245.45 = 54,114.90 : x
  2. Step 2: Convert to fraction form
    96,562.50/133,245.45 = 54,114.90/x
  3. Step 3: Cross multiply
    96,562.50x = 133,245.45 × 54,114.90
  4. Step 4: Simplify right side
    96,562.50x = 7,210,564,202.21
  5. Step 5: Solve for x
    x = 7,210,564,202.21/96,562.50
  6. Step 6: Final answer
    x = 74,672.51

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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.