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Finding the Fourth Proportional to 133,937.60, 201,136.80 and 94,769.60

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Solution

The fourth proportional to 133,937.60, 201,136.80 and 94,769.60 is: 142,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,937.60 : 201,136.80 = 94,769.60 : x
  2. Step 2: Convert to fraction form
    133,937.60/201,136.80 = 94,769.60/x
  3. Step 3: Cross multiply
    133,937.60x = 201,136.80 × 94,769.60
  4. Step 4: Simplify right side
    133,937.60x = 19,061,654,081.28
  5. Step 5: Solve for x
    x = 19,061,654,081.28/133,937.60
  6. Step 6: Final answer
    x = 142,317.42

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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.