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Finding the Fourth Proportional to 124,361.84, 171,619.04 and 67,773.12

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Solution

The fourth proportional to 124,361.84, 171,619.04 and 67,773.12 is: 93,526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,361.84 : 171,619.04 = 67,773.12 : x
  2. Step 2: Convert to fraction form
    124,361.84/171,619.04 = 67,773.12/x
  3. Step 3: Cross multiply
    124,361.84x = 171,619.04 × 67,773.12
  4. Step 4: Simplify right side
    124,361.84x = 11,631,157,792.20
  5. Step 5: Solve for x
    x = 11,631,157,792.20/124,361.84
  6. Step 6: Final answer
    x = 93,526.74

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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.