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Finding the Fourth Proportional to 168,142.50, 232,041.51 and 92,695.86

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Solution

The fourth proportional to 168,142.50, 232,041.51 and 92,695.86 is: 127,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,142.50 : 232,041.51 = 92,695.86 : x
  2. Step 2: Convert to fraction form
    168,142.50/232,041.51 = 92,695.86/x
  3. Step 3: Cross multiply
    168,142.50x = 232,041.51 × 92,695.86
  4. Step 4: Simplify right side
    168,142.50x = 21,509,287,325.15
  5. Step 5: Solve for x
    x = 21,509,287,325.15/168,142.50
  6. Step 6: Final answer
    x = 127,922.97

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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.