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Finding the Fourth Proportional to 125,672.34, 173,438.37 and 69,094.38

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Solution

The fourth proportional to 125,672.34, 173,438.37 and 69,094.38 is: 95,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,672.34 : 173,438.37 = 69,094.38 : x
  2. Step 2: Convert to fraction form
    125,672.34/173,438.37 = 69,094.38/x
  3. Step 3: Cross multiply
    125,672.34x = 173,438.37 × 69,094.38
  4. Step 4: Simplify right side
    125,672.34x = 11,983,616,643.36
  5. Step 5: Solve for x
    x = 11,983,616,643.36/125,672.34
  6. Step 6: Final answer
    x = 95,356.04

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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.