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Finding the Fourth Proportional to 125,636, 173,377.68 and 69,051.02

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Solution

The fourth proportional to 125,636, 173,377.68 and 69,051.02 is: 95,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,636 : 173,377.68 = 69,051.02 : x
  2. Step 2: Convert to fraction form
    125,636/173,377.68 = 69,051.02/x
  3. Step 3: Cross multiply
    125,636x = 173,377.68 × 69,051.02
  4. Step 4: Simplify right side
    125,636x = 11,971,905,649.23
  5. Step 5: Solve for x
    x = 11,971,905,649.23/125,636
  6. Step 6: Final answer
    x = 95,290.41

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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.