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Finding the Fourth Proportional to 145,592.88, 218,321.28 and 101,241.60

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Solution

The fourth proportional to 145,592.88, 218,321.28 and 101,241.60 is: 151,815.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,592.88 : 218,321.28 = 101,241.60 : x
  2. Step 2: Convert to fraction form
    145,592.88/218,321.28 = 101,241.60/x
  3. Step 3: Cross multiply
    145,592.88x = 218,321.28 × 101,241.60
  4. Step 4: Simplify right side
    145,592.88x = 22,103,195,701.25
  5. Step 5: Solve for x
    x = 22,103,195,701.25/145,592.88
  6. Step 6: Final answer
    x = 151,815.09

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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.