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Finding the Fourth Proportional to 243,337.10, 335,772.01 and 135,893.43

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Solution

The fourth proportional to 243,337.10, 335,772.01 and 135,893.43 is: 187,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,337.10 : 335,772.01 = 135,893.43 : x
  2. Step 2: Convert to fraction form
    243,337.10/335,772.01 = 135,893.43/x
  3. Step 3: Cross multiply
    243,337.10x = 335,772.01 × 135,893.43
  4. Step 4: Simplify right side
    243,337.10x = 45,629,210,136.89
  5. Step 5: Solve for x
    x = 45,629,210,136.89/243,337.10
  6. Step 6: Final answer
    x = 187,514.40

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1.5x scale

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.