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Finding the Fourth Proportional to 133,308.82, 199,922.84 and 70,094.88

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Solution

The fourth proportional to 133,308.82, 199,922.84 and 70,094.88 is: 105,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,308.82 : 199,922.84 = 70,094.88 : x
  2. Step 2: Convert to fraction form
    133,308.82/199,922.84 = 70,094.88/x
  3. Step 3: Cross multiply
    133,308.82x = 199,922.84 × 70,094.88
  4. Step 4: Simplify right side
    133,308.82x = 14,013,567,479.06
  5. Step 5: Solve for x
    x = 14,013,567,479.06/133,308.82
  6. Step 6: Final answer
    x = 105,121.08

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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.