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Finding the Fourth Proportional to 133,326.84, 199,990.28 and 39,832.59

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Solution

The fourth proportional to 133,326.84, 199,990.28 and 39,832.59 is: 59,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,326.84 : 199,990.28 = 39,832.59 : x
  2. Step 2: Convert to fraction form
    133,326.84/199,990.28 = 39,832.59/x
  3. Step 3: Cross multiply
    133,326.84x = 199,990.28 × 39,832.59
  4. Step 4: Simplify right side
    133,326.84x = 7,966,131,676.77
  5. Step 5: Solve for x
    x = 7,966,131,676.77/133,326.84
  6. Step 6: Final answer
    x = 59,748.90

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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.