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Finding the Fourth Proportional to 133,531.80, 200,330.10 and 94,165.80

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Solution

The fourth proportional to 133,531.80, 200,330.10 and 94,165.80 is: 141,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,531.80 : 200,330.10 = 94,165.80 : x
  2. Step 2: Convert to fraction form
    133,531.80/200,330.10 = 94,165.80/x
  3. Step 3: Cross multiply
    133,531.80x = 200,330.10 × 94,165.80
  4. Step 4: Simplify right side
    133,531.80x = 18,864,244,130.58
  5. Step 5: Solve for x
    x = 18,864,244,130.58/133,531.80
  6. Step 6: Final answer
    x = 141,271.55

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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.