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Finding the Fourth Proportional to 121,035.36, 167,019.04 and 67,320.48

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Solution

The fourth proportional to 121,035.36, 167,019.04 and 67,320.48 is: 92,896.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,035.36 : 167,019.04 = 67,320.48 : x
  2. Step 2: Convert to fraction form
    121,035.36/167,019.04 = 67,320.48/x
  3. Step 3: Cross multiply
    121,035.36x = 167,019.04 × 67,320.48
  4. Step 4: Simplify right side
    121,035.36x = 11,243,801,941.94
  5. Step 5: Solve for x
    x = 11,243,801,941.94/121,035.36
  6. Step 6: Final answer
    x = 92,896.84

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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.