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Finding the Fourth Proportional to 134,361.45, 201,376.08 and 67,820.58

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Solution

The fourth proportional to 134,361.45, 201,376.08 and 67,820.58 is: 101,647.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,361.45 : 201,376.08 = 67,820.58 : x
  2. Step 2: Convert to fraction form
    134,361.45/201,376.08 = 67,820.58/x
  3. Step 3: Cross multiply
    134,361.45x = 201,376.08 × 67,820.58
  4. Step 4: Simplify right side
    134,361.45x = 13,657,442,543.73
  5. Step 5: Solve for x
    x = 13,657,442,543.73/134,361.45
  6. Step 6: Final answer
    x = 101,647.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.