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Finding the Fourth Proportional to 125,658.16, 173,409.40 and 68,297.64

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Solution

The fourth proportional to 125,658.16, 173,409.40 and 68,297.64 is: 94,251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,658.16 : 173,409.40 = 68,297.64 : x
  2. Step 2: Convert to fraction form
    125,658.16/173,409.40 = 68,297.64/x
  3. Step 3: Cross multiply
    125,658.16x = 173,409.40 × 68,297.64
  4. Step 4: Simplify right side
    125,658.16x = 11,843,452,773.82
  5. Step 5: Solve for x
    x = 11,843,452,773.82/125,658.16
  6. Step 6: Final answer
    x = 94,251.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.