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Finding the Fourth Proportional to 133,090.35, 199,635.53 and 39,596.10

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Solution

The fourth proportional to 133,090.35, 199,635.53 and 39,596.10 is: 59,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,090.35 : 199,635.53 = 39,596.10 : x
  2. Step 2: Convert to fraction form
    133,090.35/199,635.53 = 39,596.10/x
  3. Step 3: Cross multiply
    133,090.35x = 199,635.53 × 39,596.10
  4. Step 4: Simplify right side
    133,090.35x = 7,904,788,211.45
  5. Step 5: Solve for x
    x = 7,904,788,211.45/133,090.35
  6. Step 6: Final answer
    x = 59,394.15

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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.