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Finding the Fourth Proportional to 153,860.70, 230,767.97 and 48,666

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Solution

The fourth proportional to 153,860.70, 230,767.97 and 48,666 is: 72,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,860.70 : 230,767.97 = 48,666 : x
  2. Step 2: Convert to fraction form
    153,860.70/230,767.97 = 48,666/x
  3. Step 3: Cross multiply
    153,860.70x = 230,767.97 × 48,666
  4. Step 4: Simplify right side
    153,860.70x = 11,230,553,784.69
  5. Step 5: Solve for x
    x = 11,230,553,784.69/153,860.70
  6. Step 6: Final answer
    x = 72,991.70

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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.