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Finding the Fourth Proportional to 116,847.40, 161,270.40 and 111,522.73

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Solution

The fourth proportional to 116,847.40, 161,270.40 and 111,522.73 is: 153,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,847.40 : 161,270.40 = 111,522.73 : x
  2. Step 2: Convert to fraction form
    116,847.40/161,270.40 = 111,522.73/x
  3. Step 3: Cross multiply
    116,847.40x = 161,270.40 × 111,522.73
  4. Step 4: Simplify right side
    116,847.40x = 17,985,315,276.19
  5. Step 5: Solve for x
    x = 17,985,315,276.19/116,847.40
  6. Step 6: Final answer
    x = 153,921.40

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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.