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Finding the Fourth Proportional to 168,693.10, 232,792.12 and 92,212.38

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Solution

The fourth proportional to 168,693.10, 232,792.12 and 92,212.38 is: 127,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,693.10 : 232,792.12 = 92,212.38 : x
  2. Step 2: Convert to fraction form
    168,693.10/232,792.12 = 92,212.38/x
  3. Step 3: Cross multiply
    168,693.10x = 232,792.12 × 92,212.38
  4. Step 4: Simplify right side
    168,693.10x = 21,466,315,430.45
  5. Step 5: Solve for x
    x = 21,466,315,430.45/168,693.10
  6. Step 6: Final answer
    x = 127,250.70

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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.