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Finding the Fourth Proportional to 125,506.64, 173,201.28 and 68,923.28

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Solution

The fourth proportional to 125,506.64, 173,201.28 and 68,923.28 is: 95,115.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,506.64 : 173,201.28 = 68,923.28 : x
  2. Step 2: Convert to fraction form
    125,506.64/173,201.28 = 68,923.28/x
  3. Step 3: Cross multiply
    125,506.64x = 173,201.28 × 68,923.28
  4. Step 4: Simplify right side
    125,506.64x = 11,937,600,317.80
  5. Step 5: Solve for x
    x = 11,937,600,317.80/125,506.64
  6. Step 6: Final answer
    x = 95,115.29

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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.