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Finding the Fourth Proportional to 110,804.32, 152,922 and 68,361.76

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Solution

The fourth proportional to 110,804.32, 152,922 and 68,361.76 is: 94,346.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,804.32 : 152,922 = 68,361.76 : x
  2. Step 2: Convert to fraction form
    110,804.32/152,922 = 68,361.76/x
  3. Step 3: Cross multiply
    110,804.32x = 152,922 × 68,361.76
  4. Step 4: Simplify right side
    110,804.32x = 10,454,017,062.72
  5. Step 5: Solve for x
    x = 10,454,017,062.72/110,804.32
  6. Step 6: Final answer
    x = 94,346.66

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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.