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Finding the Fourth Proportional to 185,117.80, 277,676.70 and 170,683.60

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Solution

The fourth proportional to 185,117.80, 277,676.70 and 170,683.60 is: 256,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,117.80 : 277,676.70 = 170,683.60 : x
  2. Step 2: Convert to fraction form
    185,117.80/277,676.70 = 170,683.60/x
  3. Step 3: Cross multiply
    185,117.80x = 277,676.70 × 170,683.60
  4. Step 4: Simplify right side
    185,117.80x = 47,394,858,792.12
  5. Step 5: Solve for x
    x = 47,394,858,792.12/185,117.80
  6. Step 6: Final answer
    x = 256,025.40

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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.