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Finding the Fourth Proportional to 125,913.60, 173,755.51 and 69,321.33

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Solution

The fourth proportional to 125,913.60, 173,755.51 and 69,321.33 is: 95,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,913.60 : 173,755.51 = 69,321.33 : x
  2. Step 2: Convert to fraction form
    125,913.60/173,755.51 = 69,321.33/x
  3. Step 3: Cross multiply
    125,913.60x = 173,755.51 × 69,321.33
  4. Step 4: Simplify right side
    125,913.60x = 12,044,963,048.03
  5. Step 5: Solve for x
    x = 12,044,963,048.03/125,913.60
  6. Step 6: Final answer
    x = 95,660.54

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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.