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Finding the Fourth Proportional to 138,201.03, 207,050.04 and 95,991.93

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Solution

The fourth proportional to 138,201.03, 207,050.04 and 95,991.93 is: 143,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,201.03 : 207,050.04 = 95,991.93 : x
  2. Step 2: Convert to fraction form
    138,201.03/207,050.04 = 95,991.93/x
  3. Step 3: Cross multiply
    138,201.03x = 207,050.04 × 95,991.93
  4. Step 4: Simplify right side
    138,201.03x = 19,875,132,946.18
  5. Step 5: Solve for x
    x = 19,875,132,946.18/138,201.03
  6. Step 6: Final answer
    x = 143,813.20

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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.