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Finding the Fourth Proportional to 186,165.72, 256,910.43 and 110,699.64

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Solution

The fourth proportional to 186,165.72, 256,910.43 and 110,699.64 is: 152,766.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,165.72 : 256,910.43 = 110,699.64 : x
  2. Step 2: Convert to fraction form
    186,165.72/256,910.43 = 110,699.64/x
  3. Step 3: Cross multiply
    186,165.72x = 256,910.43 × 110,699.64
  4. Step 4: Simplify right side
    186,165.72x = 28,439,892,113.25
  5. Step 5: Solve for x
    x = 28,439,892,113.25/186,165.72
  6. Step 6: Final answer
    x = 152,766.54

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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.