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Finding the Fourth Proportional to 192,172.16, 288,273.60 and 67,541.12

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Solution

The fourth proportional to 192,172.16, 288,273.60 and 67,541.12 is: 101,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,172.16 : 288,273.60 = 67,541.12 : x
  2. Step 2: Convert to fraction form
    192,172.16/288,273.60 = 67,541.12/x
  3. Step 3: Cross multiply
    192,172.16x = 288,273.60 × 67,541.12
  4. Step 4: Simplify right side
    192,172.16x = 19,470,321,810.43
  5. Step 5: Solve for x
    x = 19,470,321,810.43/192,172.16
  6. Step 6: Final answer
    x = 101,317.08

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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.