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Finding the Fourth Proportional to 111,693.38, 166,735.89 and 95,726.25

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Solution

The fourth proportional to 111,693.38, 166,735.89 and 95,726.25 is: 142,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,693.38 : 166,735.89 = 95,726.25 : x
  2. Step 2: Convert to fraction form
    111,693.38/166,735.89 = 95,726.25/x
  3. Step 3: Cross multiply
    111,693.38x = 166,735.89 × 95,726.25
  4. Step 4: Simplify right side
    111,693.38x = 15,961,001,490.11
  5. Step 5: Solve for x
    x = 15,961,001,490.11/111,693.38
  6. Step 6: Final answer
    x = 142,900.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.