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Finding the Fourth Proportional to 188,767.64, 283,200.84 and 70,440.02

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Solution

The fourth proportional to 188,767.64, 283,200.84 and 70,440.02 is: 105,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,767.64 : 283,200.84 = 70,440.02 : x
  2. Step 2: Convert to fraction form
    188,767.64/283,200.84 = 70,440.02/x
  3. Step 3: Cross multiply
    188,767.64x = 283,200.84 × 70,440.02
  4. Step 4: Simplify right side
    188,767.64x = 19,948,672,833.62
  5. Step 5: Solve for x
    x = 19,948,672,833.62/188,767.64
  6. Step 6: Final answer
    x = 105,678.46

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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.