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Finding the Fourth Proportional to 125,938.50, 173,795.13 and 69,349.74

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Solution

The fourth proportional to 125,938.50, 173,795.13 and 69,349.74 is: 95,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,938.50 : 173,795.13 = 69,349.74 : x
  2. Step 2: Convert to fraction form
    125,938.50/173,795.13 = 69,349.74/x
  3. Step 3: Cross multiply
    125,938.50x = 173,795.13 × 69,349.74
  4. Step 4: Simplify right side
    125,938.50x = 12,052,647,078.77
  5. Step 5: Solve for x
    x = 12,052,647,078.77/125,938.50
  6. Step 6: Final answer
    x = 95,702.64

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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.