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Finding the Fourth Proportional to 134,019.40, 201,029.10 and 96,694.60

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Solution

The fourth proportional to 134,019.40, 201,029.10 and 96,694.60 is: 145,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,019.40 : 201,029.10 = 96,694.60 : x
  2. Step 2: Convert to fraction form
    134,019.40/201,029.10 = 96,694.60/x
  3. Step 3: Cross multiply
    134,019.40x = 201,029.10 × 96,694.60
  4. Step 4: Simplify right side
    134,019.40x = 19,438,428,412.86
  5. Step 5: Solve for x
    x = 19,438,428,412.86/134,019.40
  6. Step 6: Final answer
    x = 145,041.90

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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.