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Finding the Fourth Proportional to 141,087.60, 211,631.40 and 135,644.40

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Solution

The fourth proportional to 141,087.60, 211,631.40 and 135,644.40 is: 203,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,087.60 : 211,631.40 = 135,644.40 : x
  2. Step 2: Convert to fraction form
    141,087.60/211,631.40 = 135,644.40/x
  3. Step 3: Cross multiply
    141,087.60x = 211,631.40 × 135,644.40
  4. Step 4: Simplify right side
    141,087.60x = 28,706,614,274.16
  5. Step 5: Solve for x
    x = 28,706,614,274.16/141,087.60
  6. Step 6: Final answer
    x = 203,466.60

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1.5x scale

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.