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Finding the Fourth Proportional to 125,460.69, 173,113.41 and 71,012.59

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Solution

The fourth proportional to 125,460.69, 173,113.41 and 71,012.59 is: 97,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,460.69 : 173,113.41 = 71,012.59 : x
  2. Step 2: Convert to fraction form
    125,460.69/173,113.41 = 71,012.59/x
  3. Step 3: Cross multiply
    125,460.69x = 173,113.41 × 71,012.59
  4. Step 4: Simplify right side
    125,460.69x = 12,293,231,557.93
  5. Step 5: Solve for x
    x = 12,293,231,557.93/125,460.69
  6. Step 6: Final answer
    x = 97,984.73

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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.