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Finding the Fourth Proportional to 125,943.44, 173,798.54 and 69,355.28

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Solution

The fourth proportional to 125,943.44, 173,798.54 and 69,355.28 is: 95,708.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,943.44 : 173,798.54 = 69,355.28 : x
  2. Step 2: Convert to fraction form
    125,943.44/173,798.54 = 69,355.28/x
  3. Step 3: Cross multiply
    125,943.44x = 173,798.54 × 69,355.28
  4. Step 4: Simplify right side
    125,943.44x = 12,053,846,405.29
  5. Step 5: Solve for x
    x = 12,053,846,405.29/125,943.44
  6. Step 6: Final answer
    x = 95,708.41

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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.