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Finding the Fourth Proportional to 125,722.98, 173,495.25 and 69,133.14

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Solution

The fourth proportional to 125,722.98, 173,495.25 and 69,133.14 is: 95,402.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,722.98 : 173,495.25 = 69,133.14 : x
  2. Step 2: Convert to fraction form
    125,722.98/173,495.25 = 69,133.14/x
  3. Step 3: Cross multiply
    125,722.98x = 173,495.25 × 69,133.14
  4. Step 4: Simplify right side
    125,722.98x = 11,994,271,407.59
  5. Step 5: Solve for x
    x = 11,994,271,407.59/125,722.98
  6. Step 6: Final answer
    x = 95,402.38

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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.