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Finding the Fourth Proportional to 125,623, 173,359.83 and 69,034.78

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Solution

The fourth proportional to 125,623, 173,359.83 and 69,034.78 is: 95,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,623 : 173,359.83 = 69,034.78 : x
  2. Step 2: Convert to fraction form
    125,623/173,359.83 = 69,034.78/x
  3. Step 3: Cross multiply
    125,623x = 173,359.83 × 69,034.78
  4. Step 4: Simplify right side
    125,623x = 11,967,857,724.89
  5. Step 5: Solve for x
    x = 11,967,857,724.89/125,623
  6. Step 6: Final answer
    x = 95,268.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.