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Finding the Fourth Proportional to 125,954, 173,816.76 and 69,370.64

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Solution

The fourth proportional to 125,954, 173,816.76 and 69,370.64 is: 95,731.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,954 : 173,816.76 = 69,370.64 : x
  2. Step 2: Convert to fraction form
    125,954/173,816.76 = 69,370.64/x
  3. Step 3: Cross multiply
    125,954x = 173,816.76 × 69,370.64
  4. Step 4: Simplify right side
    125,954x = 12,057,779,883.93
  5. Step 5: Solve for x
    x = 12,057,779,883.93/125,954
  6. Step 6: Final answer
    x = 95,731.62

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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.