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Finding the Fourth Proportional to 111,043.80, 166,565.70 and 63,610.20

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Solution

The fourth proportional to 111,043.80, 166,565.70 and 63,610.20 is: 95,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,043.80 : 166,565.70 = 63,610.20 : x
  2. Step 2: Convert to fraction form
    111,043.80/166,565.70 = 63,610.20/x
  3. Step 3: Cross multiply
    111,043.80x = 166,565.70 × 63,610.20
  4. Step 4: Simplify right side
    111,043.80x = 10,595,277,490.14
  5. Step 5: Solve for x
    x = 10,595,277,490.14/111,043.80
  6. Step 6: Final answer
    x = 95,415.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.