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Finding the Fourth Proportional to 125,575.17, 173,295.57 and 68,215.57

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Solution

The fourth proportional to 125,575.17, 173,295.57 and 68,215.57 is: 94,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,575.17 : 173,295.57 = 68,215.57 : x
  2. Step 2: Convert to fraction form
    125,575.17/173,295.57 = 68,215.57/x
  3. Step 3: Cross multiply
    125,575.17x = 173,295.57 × 68,215.57
  4. Step 4: Simplify right side
    125,575.17x = 11,821,455,219.55
  5. Step 5: Solve for x
    x = 11,821,455,219.55/125,575.17
  6. Step 6: Final answer
    x = 94,138.48

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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.