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Finding the Fourth Proportional to 170,790.60, 256,032.30 and 111,654.60

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Solution

The fourth proportional to 170,790.60, 256,032.30 and 111,654.60 is: 167,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,790.60 : 256,032.30 = 111,654.60 : x
  2. Step 2: Convert to fraction form
    170,790.60/256,032.30 = 111,654.60/x
  3. Step 3: Cross multiply
    170,790.60x = 256,032.30 × 111,654.60
  4. Step 4: Simplify right side
    170,790.60x = 28,587,184,043.58
  5. Step 5: Solve for x
    x = 28,587,184,043.58/170,790.60
  6. Step 6: Final answer
    x = 167,381.48

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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.