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Finding the Fourth Proportional to 103,615.00, 155,416.16 and 60,944.03

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Solution

The fourth proportional to 103,615.00, 155,416.16 and 60,944.03 is: 91,412.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,615.00 : 155,416.16 = 60,944.03 : x
  2. Step 2: Convert to fraction form
    103,615.00/155,416.16 = 60,944.03/x
  3. Step 3: Cross multiply
    103,615.00x = 155,416.16 × 60,944.03
  4. Step 4: Simplify right side
    103,615.00x = 9,471,686,904.21
  5. Step 5: Solve for x
    x = 9,471,686,904.21/103,615.00
  6. Step 6: Final answer
    x = 91,412.31

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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.