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Finding the Fourth Proportional to 97,059.77, 133,942.21 and 54,618.30

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Solution

The fourth proportional to 97,059.77, 133,942.21 and 54,618.30 is: 75,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,059.77 : 133,942.21 = 54,618.30 : x
  2. Step 2: Convert to fraction form
    97,059.77/133,942.21 = 54,618.30/x
  3. Step 3: Cross multiply
    97,059.77x = 133,942.21 × 54,618.30
  4. Step 4: Simplify right side
    97,059.77x = 7,315,695,671.90
  5. Step 5: Solve for x
    x = 7,315,695,671.90/97,059.77
  6. Step 6: Final answer
    x = 75,373.10

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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.