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Finding the Fourth Proportional to 188,769.40, 283,154.10 and 64,110.40

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Solution

The fourth proportional to 188,769.40, 283,154.10 and 64,110.40 is: 96,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,769.40 : 283,154.10 = 64,110.40 : x
  2. Step 2: Convert to fraction form
    188,769.40/283,154.10 = 64,110.40/x
  3. Step 3: Cross multiply
    188,769.40x = 283,154.10 × 64,110.40
  4. Step 4: Simplify right side
    188,769.40x = 18,153,122,612.64
  5. Step 5: Solve for x
    x = 18,153,122,612.64/188,769.40
  6. Step 6: Final answer
    x = 96,165.60

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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.