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Finding the Fourth Proportional to 130,988.53, 196,620.22 and 116,091.01

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Solution

The fourth proportional to 130,988.53, 196,620.22 and 116,091.01 is: 174,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,988.53 : 196,620.22 = 116,091.01 : x
  2. Step 2: Convert to fraction form
    130,988.53/196,620.22 = 116,091.01/x
  3. Step 3: Cross multiply
    130,988.53x = 196,620.22 × 116,091.01
  4. Step 4: Simplify right side
    130,988.53x = 22,825,838,943.12
  5. Step 5: Solve for x
    x = 22,825,838,943.12/130,988.53
  6. Step 6: Final answer
    x = 174,258.31

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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.