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Finding the Fourth Proportional to 151,201.80, 226,802.70 and 103,962.60

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Solution

The fourth proportional to 151,201.80, 226,802.70 and 103,962.60 is: 155,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,201.80 : 226,802.70 = 103,962.60 : x
  2. Step 2: Convert to fraction form
    151,201.80/226,802.70 = 103,962.60/x
  3. Step 3: Cross multiply
    151,201.80x = 226,802.70 × 103,962.60
  4. Step 4: Simplify right side
    151,201.80x = 23,578,998,379.02
  5. Step 5: Solve for x
    x = 23,578,998,379.02/151,201.80
  6. Step 6: Final answer
    x = 155,943.90

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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.