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Finding the Fourth Proportional to 125,624.66, 173,361.96 and 69,036.06

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Solution

The fourth proportional to 125,624.66, 173,361.96 and 69,036.06 is: 95,269.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,624.66 : 173,361.96 = 69,036.06 : x
  2. Step 2: Convert to fraction form
    125,624.66/173,361.96 = 69,036.06/x
  3. Step 3: Cross multiply
    125,624.66x = 173,361.96 × 69,036.06
  4. Step 4: Simplify right side
    125,624.66x = 11,968,226,672.28
  5. Step 5: Solve for x
    x = 11,968,226,672.28/125,624.66
  6. Step 6: Final answer
    x = 95,269.72

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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.