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Finding the Fourth Proportional to 101,475.44, 140,073.32 and 61,190.64

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Solution

The fourth proportional to 101,475.44, 140,073.32 and 61,190.64 is: 84,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,475.44 : 140,073.32 = 61,190.64 : x
  2. Step 2: Convert to fraction form
    101,475.44/140,073.32 = 61,190.64/x
  3. Step 3: Cross multiply
    101,475.44x = 140,073.32 × 61,190.64
  4. Step 4: Simplify right side
    101,475.44x = 8,571,176,097.72
  5. Step 5: Solve for x
    x = 8,571,176,097.72/101,475.44
  6. Step 6: Final answer
    x = 84,465.52

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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.