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Finding the Fourth Proportional to 192,174.16, 288,276.60 and 67,543.12

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Solution

The fourth proportional to 192,174.16, 288,276.60 and 67,543.12 is: 101,320.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,174.16 : 288,276.60 = 67,543.12 : x
  2. Step 2: Convert to fraction form
    192,174.16/288,276.60 = 67,543.12/x
  3. Step 3: Cross multiply
    192,174.16x = 288,276.60 × 67,543.12
  4. Step 4: Simplify right side
    192,174.16x = 19,471,100,986.99
  5. Step 5: Solve for x
    x = 19,471,100,986.99/192,174.16
  6. Step 6: Final answer
    x = 101,320.08

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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.