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Finding the Fourth Proportional to 125,838.35, 173,656.94 and 69,249.72

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Solution

The fourth proportional to 125,838.35, 173,656.94 and 69,249.72 is: 95,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,838.35 : 173,656.94 = 69,249.72 : x
  2. Step 2: Convert to fraction form
    125,838.35/173,656.94 = 69,249.72/x
  3. Step 3: Cross multiply
    125,838.35x = 173,656.94 × 69,249.72
  4. Step 4: Simplify right side
    125,838.35x = 12,025,694,644.18
  5. Step 5: Solve for x
    x = 12,025,694,644.18/125,838.35
  6. Step 6: Final answer
    x = 95,564.63

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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.