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Finding the Fourth Proportional to 97,043.40, 133,917.30 and 54,599.40

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Solution

The fourth proportional to 97,043.40, 133,917.30 and 54,599.40 is: 75,345.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,043.40 : 133,917.30 = 54,599.40 : x
  2. Step 2: Convert to fraction form
    97,043.40/133,917.30 = 54,599.40/x
  3. Step 3: Cross multiply
    97,043.40x = 133,917.30 × 54,599.40
  4. Step 4: Simplify right side
    97,043.40x = 7,311,804,229.62
  5. Step 5: Solve for x
    x = 7,311,804,229.62/97,043.40
  6. Step 6: Final answer
    x = 75,345.71

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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.