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Finding the Fourth Proportional to 121,459.40, 167,614.24 and 67,743.04

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Solution

The fourth proportional to 121,459.40, 167,614.24 and 67,743.04 is: 93,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,459.40 : 167,614.24 = 67,743.04 : x
  2. Step 2: Convert to fraction form
    121,459.40/167,614.24 = 67,743.04/x
  3. Step 3: Cross multiply
    121,459.40x = 167,614.24 × 67,743.04
  4. Step 4: Simplify right side
    121,459.40x = 11,354,698,164.89
  5. Step 5: Solve for x
    x = 11,354,698,164.89/121,459.40
  6. Step 6: Final answer
    x = 93,485.54

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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.