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Finding the Fourth Proportional to 125,856.09, 173,678.11 and 68,496.53

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Solution

The fourth proportional to 125,856.09, 173,678.11 and 68,496.53 is: 94,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,856.09 : 173,678.11 = 68,496.53 : x
  2. Step 2: Convert to fraction form
    125,856.09/173,678.11 = 68,496.53/x
  3. Step 3: Cross multiply
    125,856.09x = 173,678.11 × 68,496.53
  4. Step 4: Simplify right side
    125,856.09x = 11,896,346,832.33
  5. Step 5: Solve for x
    x = 11,896,346,832.33/125,856.09
  6. Step 6: Final answer
    x = 94,523.41

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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.