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Finding the Fourth Proportional to 134,701.60, 202,271.10 and 90,524.20

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Solution

The fourth proportional to 134,701.60, 202,271.10 and 90,524.20 is: 135,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,701.60 : 202,271.10 = 90,524.20 : x
  2. Step 2: Convert to fraction form
    134,701.60/202,271.10 = 90,524.20/x
  3. Step 3: Cross multiply
    134,701.60x = 202,271.10 × 90,524.20
  4. Step 4: Simplify right side
    134,701.60x = 18,310,429,510.62
  5. Step 5: Solve for x
    x = 18,310,429,510.62/134,701.60
  6. Step 6: Final answer
    x = 135,933.27

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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.