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Finding the Fourth Proportional to 134,074.80, 201,052.80 and 45,304.20

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Solution

The fourth proportional to 134,074.80, 201,052.80 and 45,304.20 is: 67,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,074.80 : 201,052.80 = 45,304.20 : x
  2. Step 2: Convert to fraction form
    134,074.80/201,052.80 = 45,304.20/x
  3. Step 3: Cross multiply
    134,074.80x = 201,052.80 × 45,304.20
  4. Step 4: Simplify right side
    134,074.80x = 9,108,536,261.76
  5. Step 5: Solve for x
    x = 9,108,536,261.76/134,074.80
  6. Step 6: Final answer
    x = 67,936.23

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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.