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Finding the Fourth Proportional to 125,368.22, 173,008.13 and 70,919.22

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Solution

The fourth proportional to 125,368.22, 173,008.13 and 70,919.22 is: 97,868.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,368.22 : 173,008.13 = 70,919.22 : x
  2. Step 2: Convert to fraction form
    125,368.22/173,008.13 = 70,919.22/x
  3. Step 3: Cross multiply
    125,368.22x = 173,008.13 × 70,919.22
  4. Step 4: Simplify right side
    125,368.22x = 12,269,601,927.44
  5. Step 5: Solve for x
    x = 12,269,601,927.44/125,368.22
  6. Step 6: Final answer
    x = 97,868.52

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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.