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Finding the Fourth Proportional to 151,679.40, 227,567.70 and 101,815.80

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Solution

The fourth proportional to 151,679.40, 227,567.70 and 101,815.80 is: 152,756.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,679.40 : 227,567.70 = 101,815.80 : x
  2. Step 2: Convert to fraction form
    151,679.40/227,567.70 = 101,815.80/x
  3. Step 3: Cross multiply
    151,679.40x = 227,567.70 × 101,815.80
  4. Step 4: Simplify right side
    151,679.40x = 23,169,987,429.66
  5. Step 5: Solve for x
    x = 23,169,987,429.66/151,679.40
  6. Step 6: Final answer
    x = 152,756.32

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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.